ÖNORM EN 437 : 2019 05 15
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy
07-15-2021
German - English
05-15-2019
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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