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发明名称
Conversion of alternating currents into direct current or vice versa
摘要
申请公布号
US2031582(A)
申请公布日期
1936.02.25
申请号
US19340710704
申请日期
1934.02.10
申请人
BALTZAR CARL VON PLATEN
发明人
ALM JOHAN EMIL
分类号
H02M1/22
主分类号
H02M1/22
代理机构
代理人
主权项
地址
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