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发明名称
Machine for weighing and grading eggs
摘要
申请公布号
US1891807(A)
申请公布日期
1932.12.20
申请号
US19300439774
申请日期
1930.03.28
申请人
WALTER FROST
发明人
FROST WALTER
分类号
B07C5/24
主分类号
B07C5/24
代理机构
代理人
主权项
地址
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