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发明名称
Schaltvorrichtung und Verfahren für optische Übertragungsleitungen
摘要
申请公布号
DE69419840(D1)
申请公布日期
1999.11.04
申请号
DE19946019840
申请日期
1994.05.09
申请人
NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO;SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人
SAITO, KAZUHITO;SATO, MAKOTO;KOBAYASHI, HIDEO
分类号
G02B6/35;G02B6/38;(IPC1-7):G02B26/02
主分类号
G02B6/35
代理机构
代理人
主权项
地址
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