Appareil de forage de puits,申请号FR19660064557-传众专利搜索

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发明名称	Appareil de forage de puits
摘要
申请公布号	FR1482563(A)	申请公布日期	1967.05.26
申请号	FR19660064557	申请日期	1966.06.07
申请人	FMC CORPORATION	发明人
分类号	E21B33/043	主分类号	E21B33/043
代理机构		代理人
主权项
地址

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