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公开(公告)号：EP2157740A4
公开(公告)日：2014-01-22
申请号：EP08740594
申请日：2008-04-17
Applicant: IBM
Inventor： OKADA MASAKUNI , YAMAFUJI KAZUTO , KUBO HIROAKI , SAKURAGI TAKEHITO
CPC classification number: H04W56/001 , H04W24/04 , H04W40/34 , H04W84/20
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