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发明名称
IMPROVED BUILT-UP ROOF SYSTEM
摘要
<p>The present invention is an improved built-up roof system comprising an insulation layer, a coverboard layer, and a waterproofing membrane layer, wherein the coverboard layer comprises polyester foam.</p>
申请公布号
WO2002099219(A1)
申请公布日期
2002.12.12
申请号
US2002013848
申请日期
2002.05.03
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发明人
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