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发明名称
Egg grader apparatus
摘要
申请公布号
US2235877(A)
申请公布日期
1941.03.25
申请号
US19380193706
申请日期
1938.03.03
申请人
PHILADELPHIA METAL WORKS, INCORPORATED
发明人
GUGGENHEIM PAUL
分类号
B07C5/22
主分类号
B07C5/22
代理机构
代理人
主权项
地址
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