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发明名称
Electronic counting device
摘要
申请公布号
US2402372(A)
申请公布日期
1946.06.18
申请号
US19430485850
申请日期
1943.05.06
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
COMPTON JUSTIN S.;MUMMA ROBERT E.
分类号
H03K23/82
主分类号
H03K23/82
代理机构
代理人
主权项
地址
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