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发明名称
TRANSVERSAL FILTERS
摘要
申请公布号
GB1560909(A)
申请公布日期
1980.02.13
申请号
GB19770008705
申请日期
1977.03.02
申请人
IBM CORP
发明人
分类号
H03H15/02;(IPC1-7):H03H15/02
主分类号
H03H15/02
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代理人
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