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发明名称
Transmission control in signaling systems
摘要
申请公布号
US2170941(A)
申请公布日期
1939.08.29
申请号
US19380230024
申请日期
1938.09.15
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
DAVIS KINGSBURY H.
分类号
H04B3/20
主分类号
H04B3/20
代理机构
代理人
主权项
地址
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