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经营范围
发明名称
Poultry feed trough
摘要
申请公布号
US1811413(A)
申请公布日期
1931.06.23
申请号
US19300486781
申请日期
1930.10.06
申请人
WISEMAN RAY C
发明人
WISEMAN RAY C.
分类号
A01K39/014
主分类号
A01K39/014
代理机构
代理人
主权项
地址
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