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经营范围
发明名称
Perfectionnements aux systèmes électriques à réglage automatique
摘要
申请公布号
FR834543(A)
申请公布日期
1938.11.23
申请号
FRD834543
申请日期
1937.12.17
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H05G1/52
主分类号
H05G1/52
代理机构
代理人
主权项
地址
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