THREADED CONNECTOR LOCKING DEVICE,申请号GB19900002647-传众专利搜索

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发明名称	THREADED CONNECTOR LOCKING DEVICE
摘要
申请公布号	GB2230314(A)	申请公布日期	1990.10.17
申请号	GB19900002647	申请日期	1990.02.06
申请人	* VETCO GRAY INC	发明人	DALE B * MARIETTA;ALISTAIR C * MACDONALD
分类号	E21B17/043;F16L15/08	主分类号	E21B17/043
代理机构		代理人
主权项
地址

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