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发明名称
Rectifier
摘要
申请公布号
US1899045(A)
申请公布日期
1933.02.28
申请号
US19260116785
申请日期
1926.06.18
申请人
KELLOGG SWITCHBOARD & SUPPLY CO.
发明人
MILLER CARL
分类号
H04B1/16
主分类号
H04B1/16
代理机构
代理人
主权项
地址
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