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| Chinese National Standard Category: School sanitation |
| English Title: | Hygienic requirements of study products for myopia prevention and control in children and adolescents |
| Chinese Title: | 儿童青少年学习用品近视防控卫生要求 |
| Standard No.: | GB 40070-2021 |
| Category No.: | C56 |
| Issued by: | SAMR; SAC |
| Issued on: | 2021-02-20 |
| Implemented on: | 2022-3-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 9500 words |
| Similar Standards: | T/CHATA 024-2022 DB31/T 1171-2019 T/ZHCA 602-2020 T/CHATA 003-2020 T/CHATA 015-2021 DB31/T 8-2020 T/CHATA 004-2020 WS 10014-2023 TY/T 501-2022 GB 40070-2021 WS/T 772-2020 WS/T 663-2020 WS/T 642-2019 GB/T 36876-2018 WS/T 610-2018 WS/T 612-2018 WS/T 611-2018 WS/T 585-2018 WS/T 587-2018 WS/T 586-2018 |
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