Home / Standards / GB/T 40008.1-2021 GB/T 40008.1-2021 Active Performance evaluation and calculating method for water heater system—Part 1:Household and similar water heater system 热水制备系统绩效评价与计算方法 第1部分:户用及类似用途热水制备系统 Standard Type GBT ICS 27.010 CCS P49 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 国家标准委 Drafting Unit N/A