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发明名称
Transmission control
摘要
申请公布号
US1986492(A)
申请公布日期
1935.01.01
申请号
US19310560216
申请日期
1931.08.29
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
WRIGHT SUMNER BISBEE;MITCHELL DOREN
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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