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发明名称
Impulse transmission system
摘要
申请公布号
US2298722(A)
申请公布日期
1942.10.13
申请号
US19390282022
申请日期
1939.06.30
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
REA WILTON T.
分类号
H04L25/12
主分类号
H04L25/12
代理机构
代理人
主权项
地址
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