VERIN A DEPLACEMENT ALTERNATIF AXIAL ET A COMMANDE PAR FLUIDE,申请号FR19830012968-传众专利搜索

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发明名称	VERIN A DEPLACEMENT ALTERNATIF AXIAL ET A COMMANDE PAR FLUIDE
摘要
申请公布号	FR2540194(B1)	申请公布日期	1988.10.07
申请号	FR19830012968	申请日期	1983.08.05
申请人	KOOMEY BLOWOUT PREVENTERS INC	发明人	MARVIN RICHARD JONES ET ROLAND MCCAULEY HOWARD JR;HOWARD ROLAND MCCAULEY JR
分类号	E21B33/06;F15B15/26;(IPC1-7):F15B15/14	主分类号	E21B33/06
代理机构		代理人
主权项
地址

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