標題: ASTM E 2301-2003 高可見度交通管制和個人安全應用、用標準... [打印本頁] 作者: 兌水 時間: 2009-11-17 20:46 標題: ASTM E 2301-2003 高可見度交通管制和個人安全應用、用標準... E2301-03 Standard Test Method for Daytime Colorimetric Properties of Fluorescent Retroreflective Sheeting and Marking Materials for High Visibility Traffic Control and Personal Safety Applications Using 45°:Normal Geometry
