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发明名称
PERFORATOR DRILL WITH INDEPENDENT TOOL ROTATION
摘要
申请公布号
SU983266(A1)
申请公布日期
1982.12.23
申请号
SU19803009753
申请日期
1980.12.01
申请人
VNI PK I GORNORUDNOGO MASHINOSTROENIYA
发明人
NEJMIRKO IOSIF V,SU;BORISENKO ANATOLIJ E,SU;BOVDUJ BORIS G,SU;SHAPOVALOV EVGENIJ A,SU;TATARENKO VIKTOR P,SU
分类号
E21B6/02;B25D16/00;(IPC1-7):E21C3/04
主分类号
E21B6/02
代理机构
代理人
主权项
地址
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