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发明名称
Transmission control in two-way signaling systems
摘要
申请公布号
US2049941(A)
申请公布日期
1936.08.04
申请号
US19350047579
申请日期
1935.10.31
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BJORNSON BJORN G.
分类号
H04B3/20
主分类号
H04B3/20
代理机构
代理人
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地址
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