TETE DE MANIPULATION DE TUYAU,申请号FR19770005940-传众专利搜索

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发明名称	TETE DE MANIPULATION DE TUYAU
摘要
申请公布号	FR2366439(B1)	申请公布日期	1985.11.15
申请号	FR19770005940	申请日期	1977.03.01
申请人	BJ HUGHES INC	发明人
分类号	B66C1/42;E21B19/02;E21B19/16;(IPC1-7):E21B19/00;B66C13/06;E21B17/00	主分类号	B66C1/42
代理机构		代理人
主权项
地址

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