问:哪里下载ISO 161-1 2018 Amd 1 2023 Thermoplastics pipes for the conveyance of fluids — Nominal outside diameters and nominal pressures — Part 1 Metric series — Amendment 1答:请联系微信:siduwenku
ISO 161-1 2018 Amd 1 2023 Thermoplastics pipes for the conveyance of fluids — Nominal outside diameters and nominal pressures — Part 1 Metric series — Amendment 1