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公开(公告)号:EP2770754A4
公开(公告)日:2015-04-15
申请号:EP12841137
申请日:2012-10-18
Applicant: PANASONIC IP CORP AMERICA
Inventor: NORIMATSU TAKESHI , CHONG KOK SENG , TEE LIH HORNG
CPC classification number: H04S7/00 , H04R1/403 , H04R2201/401 , H04R2499/15 , H04S1/002 , H04S7/305 , H04S2420/13