標題: ASTM D 4797-1988 白色和黃色熱塑性交通標志包括鉻酸鉛和二... [打印本頁] 作者: 兌水 時間: 2009-10-12 08:24 標題: ASTM D 4797-1988 白色和黃色熱塑性交通標志包括鉻酸鉛和二... D4797-88(1998) Standard Test Methods for Chemical and Gravimetric Analysis of White and Yellow Thermoplastic Traffic Marking Containing Lead Chromate and Titanium Dioxide