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发明名称
Signal delay system
摘要
申请公布号
US2960571(A)
申请公布日期
1960.11.15
申请号
US19570706358
申请日期
1957.12.31
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MALTHANER WILLIAM A.
分类号
H03H9/38;H04B14/04;H04J3/10;H04L7/00
主分类号
H03H9/38
代理机构
代理人
主权项
地址
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