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发明名称
ANALOGUE SIGNAL FILTER
摘要
申请公布号
GB2222733(B)
申请公布日期
1992.01.22
申请号
GB19890017204
申请日期
1989.07.27
申请人
* TOPEXPRESS LIMITED
发明人
COLIN FRASER * ROSS;MARK * HARPER
分类号
H03H17/02
主分类号
H03H17/02
代理机构
代理人
主权项
地址
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