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经营范围
发明名称
Egg grading machine
摘要
申请公布号
US2273591(A)
申请公布日期
1942.02.17
申请号
US19380202263
申请日期
1938.04.15
申请人
NATIONAL POULTRY EQUIPMENT CO.
发明人
POWELL JOHN E.
分类号
G01G1/04;G01G23/32
主分类号
G01G1/04
代理机构
代理人
主权项
地址
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