Presse-étoupe pour puits,申请号FR19650012233-传众专利搜索

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发明名称	Presse-étoupe pour puits
摘要
申请公布号	FR1435295(A)	申请公布日期	1966.04.15
申请号	FR19650012233	申请日期	1965.04.07
申请人	BAKER OIL TOOLS, INC.	发明人
分类号	E21B33/12;E21B33/129	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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