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发明名称
TELEKOMMUNIKASJONS- OG S{RLIG TELEFONSENTRAL MED ET TOTRINNS KOBLINGSFELT.
摘要
申请公布号
NO135389(C)
申请公布日期
1977.03.30
申请号
NO19680004149
申请日期
1968.10.19
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
EKBERGH, EVERT OSKAR,;JONSSON, PER GUSTAF,
分类号
H04M;H04Q3/68;(IPC1-7):H04Q3/68
主分类号
H04M
代理机构
代理人
主权项
地址
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