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发明名称
CONTROLLABLE NON-RETURN VALVE
摘要
申请公布号
SU855310(A1)
申请公布日期
1981.08.15
申请号
SU19792724492
申请日期
1979.02.15
申请人
ULYANOV VLADIMIR V,SU;ENGELSBERG ALEKSEJ B,SU
发明人
ULYANOV VLADIMIR V,SU;ENGELSBERG ALEKSEJ B,SU
分类号
F16K15/18;(IPC1-7):F16K15/18
主分类号
F16K15/18
代理机构
代理人
主权项
地址
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