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发明名称
DISPOSITIVO DI COMMUTAZIONE AUTOMATICA TRA DUE APPARECCHIATURE TELEFONICHE MEDIANTE LA PROGRAMMAZIONE DEL TEMPO
摘要
申请公布号
IT8911595(V0)
申请公布日期
1989.04.24
申请号
IT19890011595U
申请日期
1989.04.24
申请人
DEL GRASSO GIOVANNI
发明人
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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