Box case lid frock for hydraulic rock drill
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Multi -level buffer device for hydraulic rock drill
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Hydraulic pressure iron notch drill bores towards mechanism
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Hydraulic pressure iron notch drill safety arrangement
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Oil pipe folding leg for hydraulic rock drill
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
Patent
Detection device is pulled to piston rod for rock drill
LI CHENGPING, YANG LIZHI, XU KANGCUN, PAN ZHIGUAN, TANG BINGGANG, LI CHUNLI, ZHOU SHAOZHEN
Year of Publication 11.09.2018
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Year of Publication 11.09.2018
Patent
Structure capable of idle drilling and preventing idle striking for hydraulic rock drill
QIN YIQING, GUO DIANSHENG, XU KANGCUN, DU SHOUNIAN, CHEN XIUSHEN, XU ZUQUAN, LI CHUNLI
Year of Publication 03.06.2009
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Year of Publication 03.06.2009
Patent
Cylinder scraping-proof structure of hydraulic rock drill
QIN YIQING, GUO DIANSHENG, XU KANGCUN, DU SHOUNIAN, CHEN XIUSHEN, XU ZUQUAN, LI CHUNLI
Year of Publication 20.05.2009
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Year of Publication 20.05.2009
Patent
Buffering oil pad structure of hydraulic rock drill
QIN YIQING, GUO DIANSHENG, XU KANGCUN, DU SHOUNIAN, CHEN XIUSHEN, XU ZUQUAN, LI CHUNLI
Year of Publication 20.05.2009
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Year of Publication 20.05.2009
Patent