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发明名称
Electric current rectifier
摘要
申请公布号
US1904396(A)
申请公布日期
1933.04.18
申请号
US19310526644
申请日期
1931.03.31
申请人
AKTIENGESELLSCHAFT BROWN BOVERI & COMPAGNIE
发明人
WIDMER STEFAN
分类号
H01J13/02
主分类号
H01J13/02
代理机构
代理人
主权项
地址
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