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| Chinese National Standard Category: Industrial dust and gas prevention technology |
| English Title: | Cleanrooms and associated controlled environments—Part 9:Classification of surface cleanliness by particle concentration |
| Chinese Title: | 洁净室及相关受控环境 第9部分：按粒子浓度划分表面洁净度等级 |
| Standard No.: | GB/T 25915.9-2018 |
| Category No.: | C70 |
| Issued by: | SAMR; SAC |
| Issued on: | 2018-06-07 |
| Implemented on: | 2018-10-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 12500 words |
| Similar Standards: | T/CAEPI 33-2021 GB/T 42392-2023 GB/T 42398-2023 GB/T 25915.15-2022 GB/T 25915.13-2022 GB/T 25915.14-2022 GB/T 40868-2021 GB/T 25915.2-2021 GB/T 25915.1-2021 GB/T 25915.8-2021 GB/T 25915.10-2021 T/CAME 27-2021 WS/T 679-2020 WS/T 680-2020 GB/T 38800-2020 GB/T 36527-2018 GB/T 36372-2018 GB/T 36306-2018 GB/T 25915.9-2018 GB/T 36370-2018 |
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