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发明名称
IMPROVED FLAME RETARDANT POLYSTYRENE PLASTIC COMPOSITION
摘要
申请公布号
KR1019820002028(B1)
申请公布日期
1982.10.25
申请号
KR1019780003968
申请日期
1978.12.29
申请人
发明人
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主分类号
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