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发明名称
Paper holding and feeding apparatus for computing machines
摘要
申请公布号
US2182108(A)
申请公布日期
1939.12.05
申请号
US19370150369
申请日期
1937.06.25
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
ANDERSON WALTER A.
分类号
G06C11/12
主分类号
G06C11/12
代理机构
代理人
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地址
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