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发明名称
Rotary egg holder for incubators
摘要
申请公布号
US1801679(A)
申请公布日期
1931.04.21
申请号
US19280254004
申请日期
1928.02.13
申请人
MIKKELSEN CARL G
发明人
MIKKELSEN CARL G.
分类号
A01K41/00
主分类号
A01K41/00
代理机构
代理人
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地址
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