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发明名称
Flap valve
摘要
申请公布号
PL62777(Y1)
申请公布日期
2006.12.29
申请号
PL20020113189U
申请日期
2002.04.22
申请人
WAWRZYCZEK ZYGMUNT
发明人
WAWRZYCZEK ZYGMUNT
分类号
F16K1/18
主分类号
F16K1/18
代理机构
代理人
主权项
地址
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