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发明名称
Improvement in brooders
摘要
申请公布号
GB338159(A)
申请公布日期
1930.11.07
申请号
GB19290024111
申请日期
1929.08.07
申请人
THE BUCKEYE INCUBATOR CO.
发明人
分类号
A01K31/20
主分类号
A01K31/20
代理机构
代理人
主权项
地址
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