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经营范围
发明名称
Perfectionnements aux potentiomètres électriques
摘要
申请公布号
FR827279(A)
申请公布日期
1938.04.22
申请号
FRD827279
申请日期
1937.01.07
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H01C10/00
主分类号
H01C10/00
代理机构
代理人
主权项
地址
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