PIPELINE BREAKAWAY PROTECTION MECHANISM,申请号GB19910020457-传众专利搜索

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发明名称	PIPELINE BREAKAWAY PROTECTION MECHANISM
摘要
申请公布号	GB9120457(D0)	申请公布日期	1991.11.06
申请号	GB19910020457	申请日期	1991.09.26
申请人	SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.	发明人
分类号	E21B43/01;F16L57/02	主分类号	E21B43/01
代理机构		代理人
主权项
地址

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