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经营范围
发明名称
Calculateur mécanique
摘要
申请公布号
FR727705(A)
申请公布日期
1932.06.22
申请号
FRD727705
申请日期
1931.02.16
申请人
OPTIQUE ET PRECISION DE LEVALLOIS
发明人
RIBEROLLES RENE
分类号
G06G3/00
主分类号
G06G3/00
代理机构
代理人
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