Language
GB 9074.28 - 1988
GB 9074.27 - 1988
CNS 4402 (J) - 1978
CNS 4402 (A) - 1978
CNS 4402 (V) - 1978
ASME/ANSI B 18.21.1 - 2009
IFI 532 (T4) - 1982
ASME B 18.21.2M - 1999 (R2014)
ASME B 18.21.1 - 2009 (R2016)
DIN 6798 (V) - 1988
IFI 532 (T1) - 1982
IFI 532 (T5) - 1982