KS L ISO 383:2012 - Identical

SANS 113 Ed. 1 (1976/R2016) - Identical

KS L ISO 383:2007 - Identical

AS 2409-1981 - Equivalent

GB/T 21297-2007 - Identical

DIN 12242-1 (1980-07) - Identical

UNI 2070:1978 - Equivalent

NFB 35 013:1983 - Identical

PN 92/B-13013:1992 - Identical

BS 572:1985 - Equivalent

UNE 43302:1982 (R2012) - Identical

AS 2409-2005 - Equivalent

NBR ISO 383:2008 - Identical

JIS R 3646:1997 - Equivalent

JIS R 3503:1994 - Equivalent