Language
DIN 443 - 2017
DIN 470 - 2008
ASME B 16.20 - 2012
GB 1235 - 1976
GB 3762 - 1983
GB /T 3452.1 (G) - 2005
GB /T 10708.1 - 2000
GB /T 3452.1 (A) - 2005
JIS B 2401-1 (F) - 2012
GB /T 13871.1 - 2007
GB /T 10708.3 - 2000
NB/T 47024 - 2012
GOST 28919 - 1991
WS 9260
SAE AS 568 - 2020
GB /T 9128 - 2003