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| Chinese National Standard Category: Length Measurement |
| English Title: | Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 4:Background on functional limits and specification limits in decision rules |
| Chinese Title: | 产品几何技术规范（GPS） 工件与测量设备的测量检验 第4部分：判定规则中功能限与规范限的基础 |
| Standard No.: | GB/T 18779.4-2020 |
| Category No.: | A52 |
| Issued by: | SAMR and SAMR |
| Issued on: | 2020-12-14 |
| Implemented on: | 2021-7-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 8500 words |
| Similar Standards: | JJG 55-1984 JG/T 142-2002 JJG (交通) 086-2007 JJG(交通)038-2004 JJG (交通) 074-2007 JJF(机械)1049-2020 JJG 294-1982 JJF B 1203-1990 JJF A 1203-1990 GB/T 18779.4-2020 QB/T 4942-2016 QB/T 4943-2016 QB/T 4621-2013 GA/T 1065-2013 GA/T 1062-2013 QB/T 2443-2011 QB/T 1519-2011 JJG(铁道)203-2010 JJG 566-2010 JJG 58-2010 |
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