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发明名称
URZADZENIE DO FILTROWANIA SYGNALU ELEKTRYCZNEGO DO DETEKCJI KILKU CZESTOTLIWOSCI
摘要
申请公布号
PL202703(A1)
申请公布日期
1978.08.28
申请号
PL19770202703
申请日期
1977.12.07
申请人
CIT ALCATEL
发明人
分类号
H04Q1/453;(IPC1-7):H03H/
主分类号
H04Q1/453
代理机构
代理人
主权项
地址
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