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| Chinese National Standard Category: Length Measurement |
| English Title: | General requirements for spirit levels |
| Chinese Title: | 水平尺通用技术条件 |
| Standard No.: | QB/T 4621-2013 |
| Category No.: | A52 |
| Issued by: | MIIT |
| Issued on: | 2013-12-31 |
| Implemented on: | 2014-7-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 6000 words |
| Similar Standards: | JJG（交通）049-2004 T/CAQ 20201-2022 GB/T 157-2025 GA/T 1065-2024 JJG(交通)038-2004 JG/T 142-2002 JJF(机械)1049-2020 GB/T 18779.4-2020 JJG(交通)024-2002 JJF 1088-2002 JJF 1064-2000 QB/T 1519-1992 QB/T 3859-1999 QB/T 2443-1999 JJG 401-1985 JJG(铁道)196-2008 JJG(铁道)178-2004 JJG(铁道)174-1999 JJG(铁道)173-2004 JJG(铁道)170-1998 |
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