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发明名称
Clavier méthode complémentaire dactylographique
摘要
申请公布号
FR1089777(A)
申请公布日期
1955.03.22
申请号
FRD1089777
申请日期
1953.12.21
申请人
发明人
FORTIN YVETTE;BOITTOUT ROGER
分类号
G09B13/02
主分类号
G09B13/02
代理机构
代理人
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