Language
JIS B 1135 - 1995
CNS 1052 - 1959
CNS 1051 - 1959
CNS 1053 - 1959
IS 6760 - 1972
ASME/ANSI B 18.6.1 - 1981 (R2016)
ASME/ANSI B 18.6.1 - 1997