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经营范围
发明名称
Appareil indicateur de nombres
摘要
申请公布号
FR843567(A)
申请公布日期
1939.07.05
申请号
FRD843567
申请日期
1938.09.16
申请人
发明人
SORDOILLET PIERRE
分类号
G01G23/34
主分类号
G01G23/34
代理机构
代理人
主权项
地址
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