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公开(公告)号：EP2084815A4
公开(公告)日：2011-06-01
申请号：EP07747106
申请日：2007-06-26
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： OH MI-KYUNG , KIM JAE-YOUNG , PARK KWANG-ROH
CPC classification number: H04B1/7174
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