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发明名称
Perfectionnements aux machines comptables
摘要
申请公布号
FR824398(A)
申请公布日期
1938.02.07
申请号
FRD824398
申请日期
1937.02.25
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
主分类号
代理机构
代理人
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