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发明名称
Transmission control circuits
摘要
申请公布号
US1881642(A)
申请公布日期
1932.10.11
申请号
US19310551014
申请日期
1931.07.15
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JONES HERBERT L.;VEAZIE EDMUND A.
分类号
H04B3/06
主分类号
H04B3/06
代理机构
代理人
主权项
地址
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