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发明名称
Sprechschaltung für eine Fernsprechstelle
摘要
申请公布号
DE69521197(T2)
申请公布日期
2001.11.08
申请号
DE19956021197T
申请日期
1995.04.11
申请人
STMICROELECTRONICS S.R.L., AGRATE BRIANZA
发明人
TOMASINI, LUCIANO;CASTELLO, RINALDO;BIETTI, IVAN;CLERICI, GIANCARLO
分类号
H04B1/58;H04M1/58;H04M1/76;(IPC1-7):H04M1/00
主分类号
H04B1/58
代理机构
代理人
主权项
地址
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