INTEGRATED/UNIBODY WELLHEAD VALVE AND BOP APPARATUS,申请号CA19992293014-传众专利搜索

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发明名称	INTEGRATED/UNIBODY WELLHEAD VALVE AND BOP APPARATUS
摘要
申请公布号	CA2293014(A1)	申请公布日期	2001.06.15
申请号	CA19992293014	申请日期	1999.12.15
申请人	WILLIAMS, RYAN	发明人	WILLIAMS, RYAN
分类号	E21B33/03;E21B33/06;(IPC1-7):E21B34/02	主分类号	E21B33/03
代理机构		代理人
主权项
地址

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