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发明名称
Boîte à calcul
摘要
申请公布号
FR924069(A)
申请公布日期
1947.07.25
申请号
FRD924069
申请日期
1946.02.23
申请人
LE MATERIEL TELEPHONIQUE
发明人
CHAREYRE PAUL
分类号
G09B9/16
主分类号
G09B9/16
代理机构
代理人
主权项
地址
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