DRILL STRING DISCONNECTOR,申请号SU19823516243-传众专利搜索

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发明名称	DRILL STRING DISCONNECTOR
摘要
申请公布号	SU1155716(A1)	申请公布日期	1985.05.15
申请号	SU19823516243	申请日期	1982.11.30
申请人	KOZLOV VLADIMIR D,SU;TUTAEV VYACHESLAV,SU;SHENDLER VIKTOR V,SU	发明人	KOZLOV VLADIMIR D,SU;TUTAEV VYACHESLAV I,SU;SHENDLER VIKTOR V,SU
分类号	E21B23/00;(IPC1-7):E21B23/00	主分类号	E21B23/00
代理机构		代理人
主权项
地址

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