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UNE-EN ISO 21922:2022
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021)
No description.
Technical characteristics
| Publisher | Asociacion Espanola de Normalizacion y Certificacion (AENOR) |
| Publication Date | 07/13/2022 |
| Page Count | 112 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
Modifies
28/12/2011
Superseded
Historical
02/07/2004
Superseded
Historical
Replaces
08/03/2017
Superseded
Historical
19/01/2005
Superseded
, Reaffirmed
Historical
Previous versions
13/07/2022
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