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发明名称
Pulse transmission echo suppression system
摘要
申请公布号
US3178643(A)
申请公布日期
1965.04.13
申请号
US19600070482
申请日期
1960.11.21
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BACHELET ALBERT E.;BOMBA JAMES S.
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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