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发明名称
Dispositif d'entraînement des cartes pour machines à cartes enregistreuses
摘要
申请公布号
FR946543(A)
申请公布日期
1949.06.07
申请号
FRD946543
申请日期
1947.05.12
申请人
COMPAGNIE DES MACHINES BULL
发明人
分类号
主分类号
代理机构
代理人
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