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发明名称
PERFECTIONNEMENTS AUX MACHINES A CALCULER OU RELATIFS A CES MACHINES.
摘要
申请公布号
BE506223(A1)
申请公布日期
1953.02.27
申请号
BE19510506223
申请日期
1951.10.04
申请人
BELL PUNCH COMPANY LIMITED
发明人
分类号
A47C27/08
主分类号
A47C27/08
代理机构
代理人
主权项
地址
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