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经营范围
发明名称
Automatic animal feeder
摘要
申请公布号
US2987040(A)
申请公布日期
1961.06.06
申请号
US19580783322
申请日期
1958.12.29
申请人
PIEL ALFRED J
发明人
PIEL ALFRED J.
分类号
A01K5/02
主分类号
A01K5/02
代理机构
代理人
主权项
地址
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