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公开(公告)号：KR100009697B1
公开(公告)日：1981-04-23
申请号：KR1019750002768
申请日：1975-12-18
Applicant: 엔.브이.필립스글로에이람펜화브리에겐
Inventor： 헤르만벨름
IPC: C03C27/02
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