发明名称 DEW-RESISTANT RETROREFLECTIVE TRAFFIC SIGN HAVING A TEXTURED GLASS SURFACE
摘要 A dew-resistant retroreflective traffic sign having an attached, front-facing glass plate. The glass plate has a textured surface exposed to the air. The textured surface imparts anti-dew properties to the sign. A method of making the dew-resistant traffic sign is also described.
申请公布号 WO9731357(A1) 申请公布日期 1997.08.28
申请号 WO1997US00628 申请日期 1997.01.16
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 HUANG, TZU-LI, J.;BENSON, GERALD, M.
分类号 B32B3/30;B32B17/10;E01F9/619;G09F13/04;G09F13/16 主分类号 B32B3/30
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