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经营范围
发明名称
Perfectionnements aux transformateurs électriques
摘要
申请公布号
FR933366(A)
申请公布日期
1948.04.19
申请号
FRD933366
申请日期
1946.09.10
申请人
SUBMARINE SIGNAL COMPANY
发明人
分类号
H02M3/31
主分类号
H02M3/31
代理机构
代理人
主权项
地址
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