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发明名称
Brooder
摘要
申请公布号
US1924207(A)
申请公布日期
1933.08.29
申请号
US19310574551
申请日期
1931.11.12
申请人
HARTUNG WILLIAM R
发明人
HARTUNG WILLIAM R.
分类号
A01K31/19
主分类号
A01K31/19
代理机构
代理人
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