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发明名称
Transmission system
摘要
申请公布号
US2106337(A)
申请公布日期
1938.01.25
申请号
US19360058320
申请日期
1936.01.09
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BLACK HAROLD S.
分类号
H04B1/58
主分类号
H04B1/58
代理机构
代理人
主权项
地址
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