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发明名称
METODO E DISPOSITIVO PER IL RICONOSCIMENTO DI TONI E PER L'ATTIVAZIONEDI MEZZI DI SEGNALAZIONE ALL'INTERNO DI UN'APPARECCHIATURA TELEFONICA D'UTENTE.
摘要
申请公布号
ITMI932677(D0)
申请公布日期
1993.12.21
申请号
IT1993MI02677
申请日期
1993.12.21
申请人
ITALTEL SOCIETA' ITALIANA TELECOMUNICAZIONI
发明人
ARPAIA DOMENICO;DEL BELLO VINCENZO
分类号
H04M
主分类号
H04M
代理机构
代理人
主权项
地址
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