Dispositif de suspension de tuyaux de forage,申请号FRD1159987-传众专利搜索

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法人/股东/高管

发明名称	Dispositif de suspension de tuyaux de forage
摘要
申请公布号	FR1159987(A)	申请公布日期	1958.07.04
申请号	FRD1159987	申请日期	1956.09.28
申请人	CAMERON IRON WORKS, INC.	发明人
分类号	E21B33/04	主分类号	E21B33/04
代理机构		代理人
主权项
地址

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