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发明名称
COLOUR SORTING DEVICE
摘要
申请公布号
CA463419(A)
申请公布日期
1950.02.28
申请号
CAD463419
申请日期
申请人
ALLEN B. DU MONT LABORATORIES
发明人
CARL BERKLEY
分类号
主分类号
代理机构
代理人
主权项
地址
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