Air Quality Standards GB 3095-2012 China 2012
[摘要] "These standards are phased-in beginning in 2012 for some cities and by 2016 for all cities nationwide. Again, the Class 2 standards apply to urban areas." (http://transportpolicy.net/index.php?title=China:_Air_Quality_Standards)
[发布日期] 2012-01-01 [发布机构]
[效力级别] [学科分类] 全球变化
[关键词] [时效性]