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Inventor
DAKE HIDEKI
JP
2 patents
Patents
2 patents
US6792558B2
Sep 14, 2004
Backup system for operation system in communications system
FUJITSU LTD
7 citations
68
US5436959A
Jul 25, 1995
Communication terminal having functions of detecting and preventing line branch
FUJITSU LTD
6 citations
57