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发明名称
Paper holding and feeding mechanism for accounting machines
摘要
申请公布号
US2241173(A)
申请公布日期
1941.05.06
申请号
US19390311575
申请日期
1939.12.29
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
ANDERSON WALTER A.
分类号
B41J11/54
主分类号
B41J11/54
代理机构
代理人
主权项
地址
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