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发明名称
Procédé et dispositif pour fournir un courant continu à une ligne téléphonique.
摘要
申请公布号
DZ1479(A1)
申请公布日期
2004.09.13
申请号
DZ19910000005
申请日期
1991.01.08
申请人
TELEFONAKTIEBOLAGET LM ERICSSON
发明人
LOFMARK BENGT GUSTAV;OREDSSON JAN ORED HAKAN;LINDBERG CLAES JOHAN ANDERS
分类号
H04M;H04M19/00
主分类号
H04M
代理机构
代理人
主权项
地址
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