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发明名称
Change maker and circuit therefor
摘要
申请公布号
US2585718(A)
申请公布日期
1952.02.12
申请号
US19480035158
申请日期
1948.06.25
申请人
NATIONAL REJECTORS, INC.
发明人
ADAMS CLIFFORD B.;WALLIN FRED E.
分类号
G07F5/24
主分类号
G07F5/24
代理机构
代理人
主权项
地址
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