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经营范围
发明名称
Perfectionnements aux systèmes de commande
摘要
申请公布号
FR762359(A)
申请公布日期
1934.04.10
申请号
FRD762359
申请日期
1933.10.14
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H02M7/15
主分类号
H02M7/15
代理机构
代理人
主权项
地址
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