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发明名称
Automatic non-return valve
摘要
申请公布号
CZ218(U1)
申请公布日期
1993.05.12
申请号
CZ19930000296U
申请日期
1993.01.08
申请人
KNOB VACLAV
发明人
KNOB VACLAV
分类号
F16K15/08;F01L7/06;(IPC1-7):F16K015/08;F01L007/06
主分类号
F16K15/08
代理机构
代理人
主权项
地址
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