Aktivator,申请号NO19940004962-传众专利搜索

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发明名称	Aktivator
摘要
申请公布号	NO944962(D0)	申请公布日期	1994.12.21
申请号	NO19940004962	申请日期	1994.12.21
申请人	DRIL-QUIP INC	发明人	REIMERT, LARRY E.
分类号	E21B33/038;(IPC1-7):E21B33/038	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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