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Archive | 2012

Hydraulic multi-functional rail forging manipulator with nippling-lever telescoping function

Bo Ma; Quan Pan; Junyi Liu; Chang Liu; Le Hao; Jin Hao; Fakun Cheng


Archive | 2010

Cutting test method for rock-cutting tool

Jin Hao; Le Hao; Chang Liu; Junyi Liu; Bo Ma; Quan Pan; Yang Wang; Bo Zhang


Archive | 2010

Rock cutting tool cutting test device

Jin Hao; Le Hao; Chang Liu; Junyi Liu; Bo Ma; Quan Pan; Yang Wang; Bo Zhang


Archive | 2008

Multifunctional hydraulic flanger

Quan Pan; Junyi Liu; Chang Liu; Bo Zhang


Archive | 2008

Flanging technique of multifunctional hydraulic pressure flanging machine

Quan Pan; Junyi Liu; Chang Liu; Bo Zhang


Archive | 2012

Multifunctional hydraulic track forging manipulator

Bo Ma; Quan Pan; Junyi Liu; Chang Liu; Le Hao; Jin Hao; Fakun Cheng


Archive | 2012

Device for removing burrs in steel pipe

Bo Ma; Quan Pan; Junyi Liu; Chang Liu; Le Hao; Jin Hao; Fakun Cheng; Yang Wang


Archive | 2010

Double-well column-type oil pumping device

Gangdou Cui; Chong Han; Chang Liu; Junyi Liu; Quan Pan; Yang Wang; Bo Zhang; Bin Zhu; Lingchuan Zou; Taolu Zou


Archive | 2010

Twin-well column pumping unit

Gangdou Cui; Pingjun He; Peng Li; Chang Liu; Junyi Liu; Quan Pan; Yang Wang; Bo Zhang; Lingchuan Zou; Tao Zou


Archive | 2012

Double-cutter drawing device for off-line removing of inner burrs of steel pipe

Bo Ma; Quan Pan; Junyi Liu; Chang Liu; Le Hao; Jin Hao; Fakun Cheng; Yang Wang

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