CLOSURE DEVICE FOR FORMATION TESTER,申请号SU19874236079-传众专利搜索

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发明名称	CLOSURE DEVICE FOR FORMATION TESTER
摘要
申请公布号	SU1452964(A1)	申请公布日期	1989.01.23
申请号	SU19874236079	申请日期	1987.04.24
申请人	ZAPADNO-SIBIRSKIJ NI PK I TEKHNOLOGII GLUBOKOGO RAZVEDOCHNOGO BURENIYA	发明人	KORYAGIN YURIJ G,SU
分类号	E21B49/00	主分类号	E21B49/00
代理机构		代理人
主权项
地址

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