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发明名称
Decimal tabulation device
摘要
申请公布号
US2926769(A)
申请公布日期
1960.03.01
申请号
US19570677298
申请日期
1957.08.09
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
TOEPPEN THURSTON H.
分类号
B41J25/18
主分类号
B41J25/18
代理机构
代理人
主权项
地址
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