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经营范围
发明名称
Improvements in chicken brooders
摘要
申请公布号
GB672569(A)
申请公布日期
1952.05.21
申请号
GB19500011982
申请日期
1950.05.13
申请人
RAYMOND WHITFIELD GILL
发明人
分类号
A01K31/19
主分类号
A01K31/19
代理机构
代理人
主权项
地址
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