AS ISO 6993.1:2007
气体燃料供应用地埋高强度聚(氯乙烯)(PVC-HI)管线系统.最高工作压力为1巴(100 kPa)的管道(ISO 6993-1:2006,MOD)
Buried, high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels - Pipes for a maximum operating pressure of 1 bar (100 kPa) (ISO 6993-1:2006, MOD)