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经营范围
发明名称
Commutateur à étages pour transformateurs à prises intermédiaires
摘要
申请公布号
FR710503(A)
申请公布日期
1931.08.21
申请号
FRD710503
申请日期
1931.01.22
申请人
发明人
JANSEN BERNHARD
分类号
H01H9/00
主分类号
H01H9/00
代理机构
代理人
主权项
地址
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