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发明名称
Automatic water valve
摘要
申请公布号
US2541622(A)
申请公布日期
1951.02.13
申请号
US19490104183
申请日期
1949.07.12
申请人
TOADVINE NORMAN F
发明人
TOADVINE NORMAN F.
分类号
A01K39/022;F16K21/16
主分类号
A01K39/022
代理机构
代理人
主权项
地址
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