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发明名称
Carbon sheet holding and positioning means for business machines
摘要
申请公布号
US2421462(A)
申请公布日期
1947.06.03
申请号
US19460639257
申请日期
1946.01.05
申请人
BURROUGHS ADDING MACHINE COMPANY
发明人
MULLER ROBERT L.
分类号
B41J17/00
主分类号
B41J17/00
代理机构
代理人
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地址
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