Language
JIS B 1171 (Attached Table 1) - 1996
GB /T 801 - 1998
GB /T 794 (B) - 2021
GB /T 10 - 1988
BS 4933 - 1973
JIS B 1171 (Attached Table 2) - 1996
GB /T 794 (A) - 2021
GB /T 794 - 1988
GB 801 - 1988
NF E 27-351 - 1969
BS 7419 - 1991
UNI 5732 - 1965
GB /T 801 - 2021
UNI 6104 - 1975
GB /T 14 - 2013
GB 14 - 1976
GB /T 794 - 1993
GB /T 14 - 1988
JIS B 1171 - 2005