BACK-PRESSURE VALVE,申请号SU19884468470-传众专利搜索

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发明名称	BACK-PRESSURE VALVE
摘要
申请公布号	SU1638409(A1)	申请公布日期	1991.03.30
申请号	SU19884468470	申请日期	1988.07.29
申请人	DUBOVIKOV DMITRIJ B,SU;DORONIN VLADIMIR N,SU;FATEEV NIKOLAJ A,SU	发明人	DUBOVIKOV DMITRIJ B,SU;DORONIN VLADIMIR N,SU;FATEEV NIKOLAJ A,SU
分类号	F16K15/02	主分类号	F16K15/02
代理机构		代理人
主权项
地址

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