DRAIN VALVE FOR DERIVATION PRESSURE CHANNEL,申请号SU19884612471-传众专利搜索

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发明名称	DRAIN VALVE FOR DERIVATION PRESSURE CHANNEL
摘要
申请公布号	SU1647160(A1)	申请公布日期	1991.05.07
申请号	SU19884612471	申请日期	1988.12.02
申请人	VNII GIDROTEKHNIKI IM.B.E.VEDENEEVA	发明人	FURSOV LEONID F,SU;RAVKIN ANATOLIJ A,SU
分类号	E21F16/02	主分类号	E21F16/02
代理机构		代理人
主权项
地址

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