如果你需要购买磨粉机，而且区分不了雷蒙磨与球磨机的区别，那么下面让我来给你讲解一下： 雷蒙磨和球磨机外形差异较大，雷蒙磨高达威猛，球磨机敦实个头也不小，但是二者的工
随着社会经济的快速发展，矿石磨粉的需求量越来越大，传统的磨粉机已经不能满足生产的需要，为了满足生产需求，黎明重工加紧科研步伐，生产出了全自动智能化环保节能立式磨粉
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郑州鑫安矿山机械配件有限公司是一家小微企业，该公司成立于2004年10月14日，位于新密市新华路办事处七里岗街（惠沟村十二组），目前处于开业状态，经营范围包括矿山自
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简介： 郑州鑫安矿山机械配件有限公司，成立于2004年，位于河南省郑州市，是一家以从事通用设备制造业为主的企业。 企业注册资本1168万人民币，实缴资本1168万人民币。
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公司简介 郑州鑫安矿山机械配件有限公司，办公室地址位于河南省省会商都郑州，新密市新华路办事处七里岗街（惠沟村十二组），我公司主要提供矿山自救器、矿用灯具、矿山
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公司简介 郑州鑫安矿山机械配件有限公司于2004年10月14日成立。 法定代表人赵玉良，公司经营范围包括：矿山自救器、矿用灯具、矿山机械设备、橡塑制品、瓦斯治理设备、
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CNA CN99A CN9A CNA CN A CN A CN A CN 9 A CN9 A CN 9A CN A CN A CN A Authority CN China Prior art keywords air suction oil pump suction opening control cabin Prior art date Legal status (The
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CNA CN58A CN5A CNA CN A CN A CN A CN 5 A CN5 A CN 5A CN A CN A CN A Authority CN China Prior art keywords air outlet local fan improved local fan air outlet end Prior art date Legal status (The
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CNA CN50A CN5A CNA CN A CN A CN A CN 5 A CN5 A CN 5A CN A CN A CN A Authority CN China Prior art keywords pull movable pulley push rod pulley covering Prior art date Legal status (The legal
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L'invention concerne un dispositif de protection et un dispositif de travail aérien, le dispositif de protection comprenant un support (1) et un couvercle (2) ; le côté supérieur du couvercle (2) est articulé sur le côté supérieur du support (1) ; le dispositif de protection comprend en outre un dispositif d'abaissement (4) ; le dispositif d'abaissement (4) comprend une poulie fixe
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CNA CN13A CN1A CNA CN A CN A CN A CN 1 A CN1 A CN 1A CN A CN A CN A Authority CN China Prior art keywords shell push rod facing plugging control chamber Prior art date Legal status (The legal
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CNB CN57A CN5A CNB CN B CN B CN B CN 5 A CN5 A CN 5A CN B CN B CN B Authority CN China Prior art keywords freezing regulator air pipe liquid Prior art date Legal status (The legal status is an
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CNA CN44A CN4A CNA CN A CN A CN A CN 4 A CN4 A CN 4A CN A CN A CN A Authority CN China Prior art keywords lateral cylindrical roller central shaft rolling bearing winding displacement Prior art date
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WOA1 PCT/CN2022/ CNW WOA1 WO A1 WO A1 WO A1 CN W CN W CN W WO A1 WO A1 WO A1 Authority WO WIPO (PCT) Prior art keywords lawn lamp housing board circuit board lamp according Prior art date
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The invention discloses a fault prevention and control device for a local ventilation system on a driving face of a coal mine The fault prevention and control device comprises a prevention and control pipeline, wherein a fan air outlet and an air cylinder air inlet are arranged on the two end surfaces of the prevention and control pipeline, an allnegative pressure air flow port is
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CNA CN74A CN7A CNA CN A CN A CN A CN 7 A CN7 A CN 7A CN A CN A CN A Authority CN China Prior art keywords air bag gas goaf extraction catheter Prior art date Legal status (The legal status is an
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CNU CN82U CN8U CNU CN U CN U CN U CN 8 U CN8 U CN 8U CN U CN U CN U Authority CN China Prior art keywords shell circuit board lawn lamp panel Prior art date Legal
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CNA CN31A CN3A CNA CN A CN A CN A CN 3 A CN3 A CN 3A CN A CN A CN A Authority CN China Prior art keywords pipe gas extraction butterfly valve extraction pipe branch Prior art date
CNA CN33A CN3A CNA CN A CN A CN A CN 3 A CN3 A CN 3A CN A CN A CN A Authority CN China Prior art keywords extraction gas drill hole gas pump spring Prior art date
反击破可以碎玄武岩吗？玄武岩用什么破碎机较好？ 知乎 可以，但成本大！ 玄武岩属于硬度比较大的物料，对设备损坏较大
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CNB CN13A CN1A CNB CN B CN B CN B CN 1 A CN1 A CN 1A CN B CN B CN B Authority CN China Prior art keywords shell push rod facing control chamber plugging Prior art date 202101
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The invention discloses a mouthmuffle capable of forming an airtight breathing cavity with the face A gap is formed easily between a mouthmuffle body and the face when an existing mouthmuffle is worn, and consequently a user breathes unfiltered outside air in The mouthmuffle body is made of soft and rigid nonbreathable materials, and is provided with an
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CNB CN31A CN3A CNB CN B CN B CN B CN 3 A CN3 A CN 3A CN B CN B CN B Authority CN China Prior art keywords pipe gas extraction butterfly valve extraction pipe branch Prior art date
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The present invention relates to a kind of three pouches of gas drainage to block integral type hole sealing device, including the first pouch, second pouch, third pouch, Grouting Pipe, caulking tube, drainage tube, diversion pipe, bundle rope, drainage cloth set, position cloth set, check valve, explosive valve, wherein the first pouch, second pouch, third pouch is
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Lampe à gazon, comprenant un corps d'éclairage et un support pliant (1) relié au corps d'éclairage, le corps d'éclairage comprenant une première coque (2) et une seconde coque (3) qui sont reliées l'une à l'autre par encliquetage ; une surface avant de la première coque (2) étant pourvue d'un panneau de cellules solaires (4) ; la première coque (2) et la
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CNA CN85A CN8A CNA CN A CN A CN A CN 8 A CN8 A CN 8A CN A CN A CN A Authority CN China Prior art keywords rope main shaft deep sea winding telescopic Prior art date
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CNA CN86A CN8A CNA CN A CN A CN A CN 8 A CN8 A CN 8A CN A CN A CN A Authority CN China Prior art keywords blowing mouth valve cavity ventilation control control device Prior art date Legal
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The invention relates to a coal mine gas extraction plugging leakageproof device which comprises a plugging device, a push rod and an ejector rod, wherein the plugging device comprises a shell, a highpressure pipe, a capsule and an ejector pin The highpressure pipe is rotatably arranged inside the sealing sleeve, a plurality of thimble cavities are inwards
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一种通气控制装置和具有该通气控制装置的呼吸面罩设备。该通气控制装置包括
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Lampe à gazon, comprenant un corps d'éclairage et un support pliant (1) relié au corps d'éclairage, le corps d'éclairage comprenant une première coque (2) et une seconde coque (3) qui sont reliées l'une à l'autre par encliquetage ; une surface avant de la première coque (2) étant pourvue d'un panneau de cellules solaires (4) ; la première coque (2) et la seconde coque (3)
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The invention belongs to the technical field of concrete, in particular relates to an artificial stratum freezing device and method with an adjustable freezing position, and aims to provide nonuniformthickness dynamic control freezing capable of changing the position of an effective freezing section in the freezing process The device comprises an adjusting module and a freezing
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CNA CN98A CN9A CNA CN A CN A CN A CN 9 A CN9 A CN 9A CN A CN A CN A Authority CN China Prior art keywords bottom plate rod container plate rotating Prior art date Legal status (The legal
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The invention provides an oil pump cabin integrated safety air inlet piece which is characterized by comprising the following components: the static pressure box is provided with a plurality of lower air suction openings distributed along the circumferential direction at the lower part, and an air pipe connecting pipe and at least one upper air suction opening distributed along the
The invention aims to provide a mine cable winding displacement device, which belongs to the technical field of mining devices and comprises a frame, wherein a motor is arranged at the top end of the frame, the output end of the motor is connected with a chain wheel, a chain is arranged on the chain wheel, a winding displacement device is arranged on the chain, the winding
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A lawn lamp, comprising an illumination body and a folding stand (1) connected to the illumination body, wherein the the illumination body comprises a first shell (2) and a second shell (3) which are connected to each other in a snapfitted manner; a front surface of the first shell (2) is provided with a solar cell panel (4); each of the first shell (2) and the second shell (3) is internally
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EPA1 EP1A EPA EPA1 EP A1 EP A1 EP A1 EP A EP A EP A EP A1 EP A1 EP A1 Authority EP European Patent Office Prior art keywords movable pulley cover pull push rod pulley Prior art date Legal status (The legal status is an assumption and
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CNA CN99A CN9A CNA CN A CN A CN A CN 9 A CN9 A CN 9A CN A CN A CN A Authority CN China Prior art keywords air suction oil pump suction opening control cabin Prior art date Legal status (The
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CNA CN58A CN5A CNA CN A CN A CN A CN 5 A CN5 A CN 5A CN A CN A CN A Authority CN China Prior art keywords air outlet local fan improved local fan air outlet end Prior art date Legal status (The
CNA CN50A CN5A CNA CN A CN A CN A CN 5 A CN5 A CN 5A CN A CN A CN A Authority CN China Prior art keywords pull movable pulley push rod pulley covering Prior art date Legal status (The legal
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L'invention concerne un dispositif de protection et un dispositif de travail aérien, le dispositif de protection comprenant un support (1) et un couvercle (2) ; le côté supérieur du couvercle (2) est articulé sur le côté supérieur du support (1) ; le dispositif de protection comprend en outre un dispositif d'abaissement (4) ; le dispositif d'abaissement (4) comprend une poulie fixe
CNA CN13A CN1A CNA CN A CN A CN A CN 1 A CN1 A CN 1A CN A CN A CN A Authority CN China Prior art keywords shell push rod facing plugging control chamber Prior art date Legal status (The legal
CNB CN57A CN5A CNB CN B CN B CN B CN 5 A CN5 A CN 5A CN B CN B CN B Authority CN China Prior art keywords freezing regulator air pipe liquid Prior art date Legal status (The legal status is an
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CNA CN44A CN4A CNA CN A CN A CN A CN 4 A CN4 A CN 4A CN A CN A CN A Authority CN China Prior art keywords lateral cylindrical roller central shaft rolling bearing winding displacement Prior art date
WOA1 PCT/CN2022/ CNW WOA1 WO A1 WO A1 WO A1 CN W CN W CN W WO A1 WO A1 WO A1 Authority WO WIPO (PCT) Prior art keywords lawn lamp housing board circuit board lamp according Prior art date
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The invention discloses a fault prevention and control device for a local ventilation system on a driving face of a coal mine The fault prevention and control device comprises a prevention and control pipeline, wherein a fan air outlet and an air cylinder air inlet are arranged on the two end surfaces of the prevention and control pipeline, an allnegative pressure air flow port is
.jpg)
CNA CN74A CN7A CNA CN A CN A CN A CN 7 A CN7 A CN 7A CN A CN A CN A Authority CN China Prior art keywords air bag gas goaf extraction catheter Prior art date Legal status (The legal status is an
