Language
GB /T 9074.20 - 2004
GB /T 9074.1 (S2)
GB 9074.16 - 1988
JIS B 1187 (T4) - 2017
GB /T 9074.18 (S1) - 2002
GB /T 9074.1 (S1)
JIS B 1129 - 2004
GB 9074.14 - 1988
JIS B 1187 - 1995
GB /T 9074.20 - 1988
GB 9074.22 - 1988
GB 9074.15 - 1988
GB 9074.23 - 1988
NF E 25-523 - 1999
JIS B 1187 (T6) - 2017
NF E 25-417 - 1986
GB /T 9074.18 (S1) - 2017