DIN 51524, part 2 and 3 (HLP, HVLP) - ISO 6743/4 (HM, HV) - Denison HF-0, HF-1, HF-2 - Cincinnati Machine P-68, P-69, P-70 - ISO 11158 (HM, HV) - AFNOR NF E 48-603 (HM, HV) - SS 155434; SEB 181 222 - U.S. Steel 126, 127 and 136