Language
DIN 8912 (P2) - 1990
ASME B 16.11 - 1991
DIN 74305-1 - 1987
DIN 3871 - 1995
ISO 6392-1 (Type 1) - 1996
ASME B 16.11 - 2016
ISO 6392-1 (Type 2) - 1996
DIN 71412 - 1987
JIS B 1575 (Type 2) - 2000
GB 1152 - 1989
GB /T 2878.4 (PLEH) - 2011
JIS B 1575 (Type 4) - 2000
GB /T 19674.3 - 2005
GB /T 14626 (HHP) - 1993
GB /T 14780 - 1993
GB /T 14780 - 2010
JIS B 1575 (Type 1) - 2000
GB /T 14383 (HHP) - 2021
GB /T 14383 (HHP) - 2008