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发明名称
Watering device
摘要
申请公布号
US1774876(A)
申请公布日期
1930.09.02
申请号
US19280250185
申请日期
1928.01.28
申请人
HUNT, HELM, FERRIS & COMPANY
发明人
FERRIS HENRY L.
分类号
A01K7/06
主分类号
A01K7/06
代理机构
代理人
主权项
地址
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