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发明名称
APPARECCHIATURA TELEFONICA ATTA A PERMETTERE LE COMUNICAZIONI TELEFONICHE ANCHE AI NON UDENTI ED ALLE PERSONE CHE NON HANNO L'USO DELLA PAROLA
摘要
申请公布号
IT218503(Z2)
申请公布日期
1992.05.27
申请号
IT19890052602U
申请日期
1989.04.12
申请人
DOMINICI IDA
发明人
DOMINICI IDA
分类号
H04M;(IPC1-7):H04M/
主分类号
H04M
代理机构
代理人
主权项
地址
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