STENGEVENTIL MOT OLJE- OG GASSUTBLAASNING,申请号NO19790002780-传众专利搜索

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发明名称	STENGEVENTIL MOT OLJE- OG GASSUTBLAASNING
摘要
申请公布号	NO145410(C)	申请公布日期	1982.03.17
申请号	NO19790002780	申请日期	1979.08.28
申请人	HEIEN, SIGURD,	发明人	HEIEN, SIGURD,
分类号	E21B;E21B34/08;(IPC1-7):E21B34/08	主分类号	E21B
代理机构		代理人
主权项
地址

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