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发明名称
Heater drum for hog and poultry houses
摘要
申请公布号
US1777264(A)
申请公布日期
1930.09.30
申请号
US19290400921
申请日期
1929.10.19
申请人
ELMER HUNT LEWIS
发明人
HUNT LEWIS ELMER
分类号
A01K31/20
主分类号
A01K31/20
代理机构
代理人
主权项
地址
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