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公开(公告)号：KR830001756B1
公开(公告)日：1983-09-03
申请号：KR800002956
申请日：1980-07-25
Applicant: STAMICARBON
Inventor： GEMM PAUL C VAN , GRAAF THEODORUS F M DE , KNOL DIRK , PLANTEMA OTTO G
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