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发明名称
CIRCUITO DI MANTENIMENTO PER IL RILEVAMENTO DI DUE FREQUENZE IN UN SEGNALE DI TONO A PIU' FREQUENZE NEI RICEVITORI
摘要
申请公布号
IT1077617(B)
申请公布日期
1985.05.04
申请号
IT19770020103
申请日期
1977.02.09
申请人
TELEFONAB L M ERICSSON
发明人
分类号
H04Q3/04;H04Q1/46;(IPC1-7):H04Q/
主分类号
H04Q3/04
代理机构
代理人
主权项
地址
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