Сборная буровая головка,申请号SU19580607049-传众专利搜索

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发明名称	Сборная буровая головка
摘要
申请公布号	SU122724(A1)	申请公布日期	1958.11.30
申请号	SU19580607049	申请日期	1958.09.01
申请人	BOBROV D.P.;MURASHSHENKO A.V.	发明人	BOBROV D.P.;MURASHSHENKO A.V.
分类号	E21B10/36	主分类号	E21B10/36
代理机构		代理人
主权项
地址

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