DIN EN 60079-29-1/A1 - DRAFT Draft Document - Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases (IEC 31/1439/CDV:2019); German and English version EN 60079-29-1:2016/prA1:2019

standard by DIN-adopted European Standard, 07/01/2019