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经营范围
发明名称
Automatic weight operated poultry feeding device
摘要
申请公布号
US3349753(A)
申请公布日期
1967.10.31
申请号
US19660527180
申请日期
1966.02.14
申请人
BIG DUTCHMAN, INC.
发明人
HUIS ROBERT L. VAN
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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