Gjenvinnbar styreboks for oljeboring.,申请号NO20040000597-传众专利搜索

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发明名称	Gjenvinnbar styreboks for oljeboring.
摘要
申请公布号	NO20040597(A)	申请公布日期	2004.08.13
申请号	NO20040000597	申请日期	2004.02.10
申请人	OFFSHORE SYSTEMS INC	发明人	WILLIAMS GRAHAME M
分类号	E21B33/038;(IPC1-7):E21B33/035;E21B33/064	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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