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发明名称
VOLUMETRIC HYDRAULIC PERCUSSIVE MECHANISM OF DRILLING MACHINE
摘要
申请公布号
SU899891(A1)
申请公布日期
1982.01.23
申请号
SU19802883956
申请日期
1980.02.14
申请人
KARAGANDINSIJ POLT I;TREST "KAZAKHVZRYVPROM"
发明人
ESHUTKIN DMITRIJ N,SU;KRETOV BORIS P,SU;MENDYBAEV SABIRZHAN B,SU;KABAKOV VASILIJ A,SU;MORGUN YURIJ F,SU;SHATS EVGENIJ I,SU
分类号
E21B1/26;(IPC1-7):E21C3/20
主分类号
E21B1/26
代理机构
代理人
主权项
地址
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