Energy efficiency labelling and standard for air cleaner
[摘要] The standard of the energy efficiency labelling grade 2 for an air cleaner was strengthened by approximately 20% since 201……
[发布日期] 2019-11-28 [发布机构]
[效力级别] Performance labels [学科分类] 能源（综合）
[关键词] [时效性] Effective
