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发明名称
PERFEZIONAMENTI AI TELECOMMUTATORI PER IL CONTROLLO A DISTANZA DI LINEE DI COMUNICAZIONE
摘要
申请公布号
IT8648699(D0)
申请公布日期
1986.12.03
申请号
IT19860048699
申请日期
1986.12.03
申请人
S.E.I. STRUMENTAZIONE ELETTRONICA ITALIANA S.R.L.
发明人
PINI FRANCO
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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