Home / Standards / GB/T 4797.1-2018 GB/T 4797.1-2018 Active Classification of environmental conditions—Environmental conditions appearing in nature—Temperature and humidity 环境条件分类 自然环境条件 温度和湿度 Standard Type GBT ICS 19.020 CCS K04 Status 现行 Issue Date 2018-05-14 Implementation 2018-12-01 Responsible Dept 国家标准委 Drafting Unit N/A