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发明名称
DRILLING TOOL WITH DETACHABLE HYDRAULIC PERCUSSIVE MEMBER
摘要
申请公布号
SU905424(A1)
申请公布日期
1982.02.15
申请号
SU19802927629
申请日期
1980.05.21
申请人
SP K BYURO V PROMYSHLENNOGO OBEDINENIYA "SOYUZGEOTEKHNIKA"
发明人
MATVEEV YURIJ A,SU;PANEVIN VADIM R,SU;ILINA NADEZHDA V,SU;ALEUTSKIJ EVGENIJ V,SU
分类号
E21B25/02;(IPC1-7):E21B25/02
主分类号
E21B25/02
代理机构
代理人
主权项
地址
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