Conical thread form,申请号SG19940000064-传众专利搜索

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发明名称	Conical thread form
摘要
申请公布号	SG6494(G)	申请公布日期	1994.04.15
申请号	SG19940000064	申请日期	1994.01.17
申请人	ABB VETCO GRAY INC.	发明人	NOBILEAU PHILIPPE C
分类号	E21B17/042;E21B17/08;F16L15/00;(IPC1-7):F16L15/00	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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