NF EN 437:2021
Current
Current
The latest, up-to-date edition.
Test gases - Test pressures - Appliance categories
Available format(s)
Hardcopy
Language(s)
English - French
Published date
01-04-2021
Publisher
This document specifies the test gases, test pressures and categories of appliances relative to the use of gaseous fuels of the first, second and third families.
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