Riser assembly,申请号GB19950000420-传众专利搜索

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发明名称	Riser assembly
摘要
申请公布号	GB9500420(D0)	申请公布日期	1995.03.01
申请号	GB19950000420	申请日期	1995.01.10
申请人	MULTI-PURPOSE SEAWAYS SEMI-SUBMERSIBLES LIMITED	发明人
分类号	E21B17/01;E21B43/017	主分类号	E21B17/01
代理机构		代理人
主权项
地址

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