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发明名称
Automatic watering device for poultry
摘要
申请公布号
US2748795(A)
申请公布日期
1956.06.05
申请号
US19540435509
申请日期
1954.06.09
申请人
KOFFORD REED S
发明人
KOFFORD REED S.
分类号
A01K39/022
主分类号
A01K39/022
代理机构
代理人
主权项
地址
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