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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 17226-1998 |
Health standard of classroom ventilation in element-ary and secondary school 中小学校教室换气卫生标准 |
China National Standards Health standard element |
 English PDF |
| GB 16227-1996 |
Health standard for element mercury vapour in theair of workplace 车间空气中汞卫生标准 |
China National Standards Health standard element |
English PDF |
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