Способ соединения бурильных труб,申请号SU19600659684-传众专利搜索

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发明名称	Способ соединения бурильных труб
摘要
申请公布号	SU136279(A1)	申请公布日期	1960.11.30
申请号	SU19600659684	申请日期	1960.03.22
申请人		发明人	LEVIN Z.-B.A.
分类号	E21B17/04	主分类号	E21B17/04
代理机构		代理人
主权项
地址

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