11/30248336 DC BS ISO 17467-3 氣體燃料供應(yīng)用塑料管道系統(tǒng) 用溶劑膠連接的未增塑聚酰胺 (PA-U) 管道系統(tǒng) 第3部分 配件
BS ISO 17467-3. Plastics piping systems for the supply of gaseous fuels. Unplasticized polyamide (PA-U) piping systems jointed by solvent cement. Part 3. Fittings