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发明名称
Rectifier system
摘要
申请公布号
US1972538(A)
申请公布日期
1934.09.04
申请号
US19290376237
申请日期
1929.07.05
申请人
SCHRENK MATTHEW H
发明人
SCHRENK MATTHEW H.
分类号
H02M7/06
主分类号
H02M7/06
代理机构
代理人
主权项
地址
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