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经营范围
发明名称
Drinking device for poultry
摘要
申请公布号
GB391069(A)
申请公布日期
1933.04.20
申请号
GB19320033644
申请日期
1932.11.28
申请人
HEINRICH SIEWERS
发明人
分类号
A01K39/026
主分类号
A01K39/026
代理机构
代理人
主权项
地址
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