Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 18826-2002 |
1,1,1,2-Tetrafluoroethane for industrial use 工业用1,1,1,2-四氟乙烷(HFC-134a) |
China National Standards 1,1,1 |
English PDF |
GB 18561-2001 |
Occupational exposure limit for 1,1,1-trichloroethane in the air of workplace 车间空气中1,1,1-三氯乙烷职业接触限值 |
China National Standards 1,1,1 |
English PDF |
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