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经营范围
发明名称
Ruhender Frequenzwandler
摘要
申请公布号
DE674954(C)
申请公布日期
1939.04.26
申请号
DED674954D
申请日期
1928.02.28
申请人
DR.-ING. ERNST HUETER
发明人
分类号
H01F38/04
主分类号
H01F38/04
代理机构
代理人
主权项
地址
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