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发明名称
DIGITALE FILTER.
摘要
申请公布号
AT48728(T)
申请公布日期
1989.12.15
申请号
AT19850301788T
申请日期
1985.03.14
申请人
BRITISH TELECOMMUNICATIONS PLC
发明人
SOUTH, COLIN ROBERT;LEWIS, ALWYN VAUGHAN
分类号
H03H21/00;H04B3/23;(IPC1-7):H03H21/00
主分类号
H03H21/00
代理机构
代理人
主权项
地址
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