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sklademVydáno: 2023-02-24
23/30456623 DC
BS EN ISO 21922 AMD 1. Refrigerating systems and heat pumps. Valves. Requirements, testing and marking
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| Označení normy: | 23/30456623 DC |
| Počet stran: | 11 |
| Vydáno: | 2023-02-24 |
| Status: | Draft for Comment |
DESCRIPTION
23/30456623 DC
This standard 23/30456623 DC BS EN ISO 21922 AMD 1. Refrigerating systems and heat pumps. Valves. Requirements, testing and marking is classified in these ICS categories:
- 27.080 Heat pumps
- 27.200 Refrigerating technology
- 23.060.20 Ball and plug valves