Pressure fluid operable blow-out preventer,申请号US19350008039-传众专利搜索

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发明名称	Pressure fluid operable blow-out preventer
摘要
申请公布号	US2076042(A)	申请公布日期	1937.04.06
申请号	US19350008039	申请日期	1935.02.25
申请人	PENICK ARTHUR J;PENICK KIRBY T	发明人	PENICK ARTHUR J.;PENICK KIRBY T.
分类号	E21B33/06	主分类号	E21B33/06
代理机构		代理人
主权项
地址

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