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| Chinese National Standard Category: Mathematics |
| English Title: | Control charts—Part 4: Cumulative sum charts |
| Chinese Title: | 控制图 第4部分：累积和控制图 |
| Standard No.: | GB/T 17989.4-2020 |
| Category No.: | A41 |
| Issued by: | SAMR; SAC |
| Issued on: | 2020-03-06 |
| Implemented on: | 2020-10-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/Z 4887-2006 Cumulative Sum charts - Guidance on quality control and data analysis using CUSUM techniques |
| Word Count: | 27500 words |
| Similar Standards: |
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