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发明名称
UNITA' TELEMATICA DI UTENTE UTILIZZANTE LA TECNICA OVERVOICE.
摘要
申请公布号
IT8919020(D0)
申请公布日期
1989.01.05
申请号
IT19890019020
申请日期
1989.01.05
申请人
TELECOMUNICAZIONI S.P.A.
发明人
ANGELO BERTOLINI;AUGUSTO PEZZOTTA
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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