標(biāo)題: ASTM D 5424-2005 電纜或光纜的絕緣材料在立式電纜槽結(jié)構(gòu)中燃... [打印本頁] 作者: 兌水 時(shí)間: 2009-10-16 15:21 標(biāo)題: ASTM D 5424-2005 電纜或光纜的絕緣材料在立式電纜槽結(jié)構(gòu)中燃... D5424-99 Standard Test Method for Smoke Obscuration of Insulating Materials Contained in Electrical or Optical Fiber Cables When Burning in a Vertical Cable Tray Configuration