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| Chinese National Standard Category: Fire monitoring, alarming and fire-fighting dispatching system |
| English Title: | Combustible gas detectors—Part 4: Line-type optical beam combustible gas detectors for industrial and commercial use |
| Chinese Title: | 可燃气体探测器 第4部分：工业及商业用途线型光束可燃气体探测器 |
| Standard No.: | GB 15322.4-2019 |
| Category No.: | C81 |
| Issued by: | SAMR and SAC |
| Issued on: | 2019-10-14 |
| Implemented on: | 2020-11-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 10500 words |
| Similar Standards: | T/CFPA 028-2023 GB 4718-1984 T/CFPA 018-2023 DG/TJ 08-2022-2007 GB 15322.1-2019 GB 15322.2-2019 GB 15322.3-2019 GB 15322.4-2019 GB/T 38254-2019 GB/T 38315-2019 GB 16806-2006/XG1-2016 GB/T 26875.8-2015 GB/T 26875.7-2015 GB 31252-2014 XF/T 1270-2015 GA/T 1270-2015 GB 14287.2-2014 GB 14287.3-2014 GB 14287.1-2014 GB 14287.4-2014 |
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