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公开(公告)号：DE102010031652A1
公开(公告)日：2011-03-10
申请号：DE102010031652
申请日：2010-07-22
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： KIM SUNG IL , RYU HAN CHEOL , KANG SEONG BEOM , KWAK MIN HWAN , KANG KWANG YONG
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