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Standard Insuued on: 2012-11 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | SAC/TC | Issued Date: | 2012-11-20 |
Implemented Date: | 2013-5-1 | Abolished Date: | |
Superseded Standard.: | 强制性推荐性标准 GB/T 39499-2020 Technical guideline for derivation of health protection zone about fugitive emission of atmospheric harmful substances |
Superseded Date: | 2021-6-1 |
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