DRILLING ADAPTOR FOR WORKING OPENINGS IN AREAS WITH OBSTRUCTED ACCESS,申请号SU19772453936-传众专利搜索

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发明名称	DRILLING ADAPTOR FOR WORKING OPENINGS IN AREAS WITH OBSTRUCTED ACCESS
摘要
申请公布号	SU633673(A1)	申请公布日期	1978.11.25
申请号	SU19772453936	申请日期	1977.02.17
申请人	YASKEVICH PETR S,SU;STEPANOV VLADIMIR N,SU;YASKEVICH SERGEJ ,SU	发明人	YASKEVICH PETR S,SU;STEPANOV VLADIMIR N,SU;YASKEVICH SERGEJ ,SU
分类号	B23B35/00;(IPC1-7):B23B35/00	主分类号	B23B35/00
代理机构		代理人
主权项
地址

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