Language
GB /T 93 - 1987
SN 60727-2 (VSKD)
YJT 6010
SAE J 2655 - 2015
ASME B 18.21.1 - 2009 (R2016)
ASME B 18.21.2M - 1999 (R2014)
CNS 5053 - 1979
CNS 8930 - 1982
CNS 161 - 1994
BS 4464 - 1969
UNI 1751 - 1941