Blow-out preventer closure element,申请号GB20010028758-传众专利搜索

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发明名称	Blow-out preventer closure element
摘要
申请公布号	GB2369635(A)	申请公布日期	2002.06.05
申请号	GB20010028758	申请日期	2001.11.30
申请人	* FMC KONGSBERG SUBSEA AS	发明人	HANS-PAUL * CARLSEN
分类号	E21B33/06;(IPC1-7):E21B33/06	主分类号	E21B33/06
代理机构		代理人
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