Shirley Technologies Limited Trading as BTTG
West Yorkshire, GB
ISO 13938-1:2019 BS EN ISO 13938-1:1999 Sorensen Abrasion resistance BS EN ISO 12947-1, 2(withdrawn), 3 and 4:1998 BS EN ISO 12947-2:2016 BS EN 14465:Annex A:2003 Nunney Pilling BS EN ISO 12945-1:2020 BS EN ISO 1