Dual-purpose striking-pulling rock-drilling machine
LIU YANMIN, CUI FANGFANG, WANG DONG, DONG TINGTING, DONG LANTIAN, DONG NA
Year of Publication 27.03.2013
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Year of Publication 27.03.2013
Patent
Walking beam fulcrum spring plate storage and release kinetic energy power assisted brake start pumping unit
CHEN ZEJIAO, CHEN ZHE, DONG TINGTING, WANG ZHIHAI, DONG LANTIAN, LI JUNRAN
Year of Publication 20.03.2013
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Year of Publication 20.03.2013
Patent
Motor frame rack type movable fixing device
CHEN ZEJIAO, CHEN ZHE, DONG TINGTING, WANG ZHIHAI, DONG LANTIAN, LI JUNRAN
Year of Publication 20.03.2013
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Year of Publication 20.03.2013
Patent
An aiding blanket for a wheeled vehicle slipping in a pit
CHEN ZEJIAO, CHEN ZHE, DONG TINGTING, WANG WENHUI, WANG ZHIHAI, DONG LANTIAN, LI JUNRAN
Year of Publication 20.03.2013
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Year of Publication 20.03.2013
Patent
Deep-hole cave SAP resin mixed nutritive soil base guide root system arid land tree planting technology
CHEN ZEJIAO, CHEN ZHE, DONG TINGTING, WANG ZHIHAI, DONG LANTIAN, LI JUNRAN
Year of Publication 20.03.2013
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Year of Publication 20.03.2013
Patent