Language
GB /T 35 - 1988
JIS E 1107 - 2008
BS 916 - 1953
CNS 4699 - 1982
CNS 3134 - 1981
CNS 3135 - 1981
CNS 3136 - 1981
CNS 3137 - 1981
GOST 21249 (-1) - 1996
GOST 21249 (-2) - 1996
ASME B 18.2.3.10M - 1996