Language
BS 7600 - 1992
UNI 6949 - 1980
GB /T 16824.2 - 1997
GB /T 5285 - 2017
BS 4174 - 1972
GB /T 16824.1 - 2016
BS 7599 - 1992
YJT 4063 (WN1446C)
CNS 4308 - 2000
IFI 502 - 1982
ASME/ANSI B 18.6.3 - 2010
JIS B 1123 - 1996
JIS B 1126 - 1995
JIS B 1127 - 1995
AS /NZS 4402 - 1996
AS /NZS 4409 - 1996