发明名称 COMBINATION DRY ERASE BOARD/PROJECTION SCREEN
摘要 <p>A communication article comprising a face layer on the front side of said article, said face layer having structured front surface and a base layer, wherein the face layer has a fluorine content of 0.02 mass % to 0.1 mass % in a solid basis. Preferred embodiments further comprise a buffer layer disposed between the face layer and base layer.</p>
申请公布号 EP2332391(A2) 申请公布日期 2011.06.15
申请号 EP20090791793 申请日期 2009.08.21
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 SHIMADA, KEIKO;MIURA, MASAMI;ABE, HIDETOSHI;KANNO, MAMORU
分类号 H05B3/74 主分类号 H05B3/74
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