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发明名称
Anordnung zur Gleichspannungsumformung
摘要
申请公布号
DE750490(C)
申请公布日期
1945.01.18
申请号
DE1938M146742D
申请日期
1938.12.14
申请人
发明人
分类号
H02M3/18
主分类号
H02M3/18
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代理人
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