Устройство для бурения скважин и шпуров,申请号SU19520448365-传众专利搜索

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发明名称	Устройство для бурения скважин и шпуров
摘要
申请公布号	SU98958(A1)	申请公布日期	1953.11.30
申请号	SU19520448365	申请日期	1952.07.24
申请人	VITT M.M.;GURIN F.V.;MATVIENKO A.A.	发明人	VITT M.M.;GURIN F.V.;MATVIENKO A.A.
分类号	E21B7/02;E21B7/24;E21B19/08	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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