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公开(公告)号:GR920100488A
公开(公告)日:1993-07-30
申请号:GR92100488
申请日:1992-11-05
Applicant: KOREA TELECOMMUNICATION
Inventor: CHONG RAK LEE , YONG KYU PARK
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公开(公告)号:GR1002157B
公开(公告)日:1996-02-22
申请号:GR92100488
申请日:1992-11-05
Applicant: KOREA TELECOMMUNICATION
Inventor: YONG KYU PARK , CHONG RAK LEE
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