標(biāo)題: ASTM D 6494-1999 測定作為苯可溶性分餾物的工作環(huán)境中瀝青... [打印本頁] 作者: 兌水 時(shí)間: 2009-10-24 15:51 標(biāo)題: ASTM D 6494-1999 測定作為苯可溶性分餾物的工作環(huán)境中瀝青... D6494-99 Standard Test Method for Determination of Asphalt Fume Particulate Matter in Workplace Atmospheres as Benzene Soluble Fraction