تاریخچه استاندارد
ASHRAE 52.2   2025   Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size 8000000 ریال
ASHRAE 52.2   2017   Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size 5000000 ریال
ASHRAE 52.2   2012   Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size 5000000 ریال
ASHRAE 52.2   2007   Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size 5000000 ریال
ASHRAE 52.2   1999   Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size Errata - 07/10/2001; Interpretation IC - 07/25/2001; Errata - 7/11/2002 3000000 ریال

جستجوی استاندارد

فهرست ناشران

دسته بندی ناشران

استانداردهای من

استانداردهای برگزیده

استانداردهای درخواستی