UNI EN 437:2019
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Test gases - Test pressures - Appliance categories
Superseded date
19-08-2022
Published date
13-05-2021
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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