GB/T 4798.3-2023 Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 3: Stationary use at weatherprotected locations (English Version)
2023GB/T 4798.3-2023 Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 3: Stationary use at weatherprotected locations
2007GB/T 4798.3-2007 Environmental conditions existing in the application of electric and electronic products- Part 3: Stationary use at weather-protected locations
1990GB/T 4798.3-1990 Environmental conditions existing in the application for electric and electronic products--Stationary use at weather-protected locations