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发明名称
TRANSVERSAL FILTER
摘要
申请公布号
CA459353(A)
申请公布日期
1949.08.30
申请号
CAD459353
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED;BELL TELEPHONE LABORATORIES
发明人
HAROLD L. BARNEY
分类号
主分类号
代理机构
代理人
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