Seating member for well tools,申请号US19550528004-传众专利搜索

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发明名称	Seating member for well tools
摘要
申请公布号	US2897896(A)	申请公布日期	1959.08.04
申请号	US19550528004	申请日期	1955.08.12
申请人	JERSEY PRODUCTION RESEARCH COMPANY	发明人	KENNEDAY JOHN W.;III JAMES R. DUBLIN
分类号	E21B23/02	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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