China National Standards

China Hygienic requirements microclimate GB Standards List

  •  China "Hygienic requirements microclimate" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 17225-2017 Hygienic requirements of microclimate for heating classroom in middle and elementary school
    中小学校采暖教室微小气候卫生要求    		 China National Standards
    Hygienic requirements microclimate
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