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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 14648-1993 |
Classification standard for flying accidents ofaircraft 民用航空器飞行事故等级 |
China National Standards flying |
 English PDF |
| GB/T 8971-1988 |
Air quality--Determination of benzo(a) pyrene in flying bust--Acetylated paper chromatography fluorescence spectrophotometric method 空气质量 飘尘中苯并(a)芘的测定 乙酰化滤纸层析荧光分光光度法 |
China National Standards flying |
English PDF |
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