China National Standards

China Hygienic Standards Classroom GB Standards List

  •  China "Hygienic Standards Classroom" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 7793-2025 Hygienic Standards for Classroom Daylighting and Lighting in Primary and Secondary Schools {译}
    中小学校教室采光和照明卫生标准    		 China National Standards
    Hygienic Standards Classroom
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