?NORM EN 437 : 2019 05 15废止
Test gases — Test pressures — Appliance categories
出版：Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频
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.
EN 437 : 2018 - Identical
EN 437 : 2003 + A1 2009 - Identical
EN 437 : 2018 - Identical
EN 437 : 2003 + A1 2009 - Identical
EN 437:2018 - Identical
EN 437:2003+A1:2009 - Identical
