2018NS-EN ISO 8434-1:2018 Metallic tube connections for fluid power and general use — Part 1: 24° cone connectors (ISO 8434-1:2018, Corrected version 2018-10)
2008NS-EN ISO 8434-1:2007 Metallic tube connections for fluid power and general use — Part 1: 24 degree cone connectors (ISO 8434-1:2007)