V,Y,PROTASOV'S CUT-OFF VALVE,申请号SU19762350409-传众专利搜索

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发明名称	V,Y,PROTASOV'S CUT-OFF VALVE
摘要
申请公布号	SU676798(A1)	申请公布日期	1979.07.30
申请号	SU19762350409	申请日期	1976.04.22
申请人	PROTASOV VIKTOR YA,SU	发明人	PROTASOV VIKTOR YA,SU
分类号	F16K17/34;E21B43/00;(IPC1-7):F16K17/34	主分类号	F16K17/34
代理机构		代理人
主权项
地址

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