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经营范围
发明名称
Source de chaleur par transformation de l'énergie électrique
摘要
申请公布号
FR845971(A)
申请公布日期
1939.09.06
申请号
FRD845971
申请日期
1938.11.14
申请人
SOCIETE DE CONSTRUCTION DES APPAREILS ALPHA
发明人
分类号
B23K3/03
主分类号
B23K3/03
代理机构
代理人
主权项
地址
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