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经营范围
发明名称
Machine pour l'enseignement de la dactylographie
摘要
申请公布号
FR927717(A)
申请公布日期
1947.11.07
申请号
FRD927717
申请日期
1946.06.07
申请人
发明人
GECSEI LADISLAUS
分类号
G09B13/02
主分类号
G09B13/02
代理机构
代理人
主权项
地址
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