Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 28227.3-2011 |
Guidelines for the implementation of the quality management system of cultural service - Part 3: Open air museum 文化服务质量管理体系实施指南 第3部分:室外博物馆 |
China National Standards Guideline air quality |
English PDF |
GB/T 27630-2011 |
Guideline for air quality assessment of passenger car 乘用车内空气质量评价指南 |
China National Standards Guideline air quality |
English PDF |
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