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经营范围
发明名称
Appareil de mesure électrique tel que voltmètre
摘要
申请公布号
FR731942(A)
申请公布日期
1932.09.10
申请号
FRD731942
申请日期
1931.04.22
申请人
ATELIERS DA ET DUTILH (SOCIETE A RESPONSABILITE LIMITEE)
发明人
分类号
G01R13/00
主分类号
G01R13/00
代理机构
代理人
主权项
地址
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