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发明名称
Egg grader
摘要
申请公布号
US3002620(A)
申请公布日期
1961.10.03
申请号
US19570695041
申请日期
1957.11.07
申请人
MARZOLF MANUFACTURING CO., INC.
发明人
MARZOLF NORBERT F.
分类号
A01K43/00;B07C5/22
主分类号
A01K43/00
代理机构
代理人
主权项
地址
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