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经营范围
发明名称
Automatic poultry feeder
摘要
申请公布号
US2681639(A)
申请公布日期
1954.06.22
申请号
US19500164964
申请日期
1950.05.29
申请人
LITTLEFIELD THURLAND C
发明人
LITTLEFIELD THURLAND C.
分类号
A01K39/01
主分类号
A01K39/01
代理机构
代理人
主权项
地址
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