ISO 6142-1 AMD 1
Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - Amendment 1: Corrections to formulae in Annex E and Annex G
Gasanalyse - Herstellung von Kalibriergasen - Teil 1: Wägeverfahren für Gemische der Klasse I
Responsible national committee
NA 032-03-01-05 AK - Test gases, test pressures, appliance categories and gas appliance types