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经营范围
发明名称
Dispositif de chauffage électrique
摘要
申请公布号
FR38552(E)
申请公布日期
1931.06.15
申请号
FRD38552
申请日期
1930.05.16
申请人
SOCIETE DES GRANDS TRAVAUX ELECTRIQUES
发明人
分类号
F24H7/02
主分类号
F24H7/02
代理机构
代理人
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地址
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