SIKKERHETSVENTIL.,申请号NO19790003284-传众专利搜索

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发明名称	SIKKERHETSVENTIL.
摘要
申请公布号	NO793284(A)	申请公布日期	1980.05.14
申请号	NO19790003284	申请日期	1979.10.12
申请人	OTIS ENGINEERING CORP,	发明人	FISHER, ERNEST P., JR.,
分类号	E21B23/10;E21B34/00;E21B34/10;(IPC1-7):E21B/	主分类号	E21B23/10
代理机构		代理人
主权项
地址

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