A NIPPLE PROTECTOR SLEEVE FOR USE IN A WELL CONDUIT,申请号GB19850019146-传众专利搜索

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发明名称	A NIPPLE PROTECTOR SLEEVE FOR USE IN A WELL CONDUIT
摘要
申请公布号	GB2163792(A)	申请公布日期	1986.03.05
申请号	GB19850019146	申请日期	1985.07.30
申请人	* CAMCO INCORPORATED	发明人	WILLIAM DONALD * EATWELL
分类号	E21B23/02;(IPC1-7):E21B23/02	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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