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发明名称
PROPELLER TYPE WATER METER HAVING CHECK VALVE FOR PREVENTION BACKWARD FLOWING AND CONTROL WATER SUPPLE
摘要
申请公布号
KR100493740(B1)
申请公布日期
2005.06.08
申请号
KR20030033404
申请日期
2003.05.26
申请人
发明人
分类号
G01F15/00;(IPC1-7):G01F15/00
主分类号
G01F15/00
代理机构
代理人
主权项
地址
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