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发明名称
High frequency transmission system for railways
摘要
申请公布号
US2001514(A)
申请公布日期
1935.05.14
申请号
US19310558288
申请日期
1931.08.20
申请人
GENERAL ELECTRIC COMPANY
发明人
ALEXANDERSON ERNST F. W.
分类号
H04B5/00
主分类号
H04B5/00
代理机构
代理人
主权项
地址
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