標(biāo)題: ASTM D 4797-1988 白色和黃色熱塑性交通標(biāo)志包括鉻酸鉛和二... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-10-12 08:24 標(biāo)題: ASTM D 4797-1988 白色和黃色熱塑性交通標(biāo)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