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公开(公告)号：KR1019940005068B1
公开(公告)日：1994-06-10
申请号：KR1019910013299
申请日：1991-08-01
Applicant: 스미토모덴키고교가부시키가이샤 , 니폰 덴신 덴와 가부시끼가이샤
IPC: C03C25/02
Abstract: 내용 없음.
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