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发明名称
CHECK VALVE
摘要
申请公布号
CS203812(B1)
申请公布日期
1981.03.31
申请号
CS19790004123
申请日期
1979.06.15
申请人
FAJT,PAVEL,CS
发明人
FAJT,PAVEL,CS
分类号
A62B9/02;A62B18/10;F16K7/02;(IPC1-7):A62B9/02
主分类号
A62B9/02
代理机构
代理人
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