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发明名称
PHENOL RESIN FOAMED HEAT INSULATING BOARD HAVING HONEYCOMB
摘要
申请公布号
KR1019920000607(B1)
申请公布日期
1992.01.17
申请号
KR1019890018839
申请日期
1989.12.18
申请人
发明人
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主分类号
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