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发明名称
DIGITAL INDICATOR CIRCUITRY
摘要
申请公布号
CA620658(A)
申请公布日期
1961.05.23
申请号
CAD620658
申请日期
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
LADIMER J. ANDREWS
分类号
主分类号
代理机构
代理人
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地址
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