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经营范围
发明名称
Perfectionnement aux redresseurs électriques à contacts vibrants
摘要
申请公布号
FR931635(A)
申请公布日期
1948.02.27
申请号
FRD931635
申请日期
1944.02.23
申请人
SOCIETE GENERALE DE CONSTRUCTIONS ELECTRIQUES ET MECANIQUES
发明人
分类号
H02M7/36
主分类号
H02M7/36
代理机构
代理人
主权项
地址
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