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发明名称
CIRCUITO DI PROTEZIONE PER TELEFONI ELETTRONICI.
摘要
申请公布号
IT8919890(D0)
申请公布日期
1989.03.24
申请号
IT19890019890
申请日期
1989.03.24
申请人
ITALTEL TELEMATICA S.P.A.
发明人
MARCO ARFE';GIUSEPPE FERRARO;GIOVANNI TIZZA
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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