MAINTENANCE & SERVICING OF SUBSEA WELLS,申请号GB19870019701-传众专利搜索

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发明名称	MAINTENANCE & SERVICING OF SUBSEA WELLS
摘要
申请公布号	GB8719701(D0)	申请公布日期	1987.09.30
申请号	GB19870019701	申请日期	1987.08.20
申请人	OTIS ENG CORPN	发明人
分类号	E21B17/01;E21B19/22;E21B33/035;E21B33/038;E21B33/076;E21B41/00;E21B41/04	主分类号	E21B17/01
代理机构		代理人
主权项
地址

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