40.20 DIS ballot initiated: 12 weeks May 1, 2024
ISO
ISO/TC 197 Hydrogen technologies
International Standard
71.120.99 Other equipment for the chemical industry | 71.100.20 Gases for industrial application
PUBLISHED
ISO 22734:2019
IN_DEVELOPMENT
ISO/DIS 22734-1
40.20
DIS ballot initiated: 12 weeks
May 1, 2024