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发明名称
High frequency transmission system
摘要
申请公布号
US2163750(A)
申请公布日期
1939.06.27
申请号
US19370162973
申请日期
1937.09.09
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
D'HEEDENE ALBERT R.
分类号
H04B3/14
主分类号
H04B3/14
代理机构
代理人
主权项
地址
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