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发明名称
VENT VALVE DEVICE FOR DRAIN WATER
摘要
申请公布号
JPH09126333(A)
申请公布日期
1997.05.13
申请号
JP19950303314
申请日期
1995.10.30
申请人
MORINAGA ENG KK
发明人
UEDA FUDETOSHI
分类号
F16K15/04;F16K17/28;(IPC1-7):F16K17/28
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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