ISO 3243:1975被替代
Keyboards For Countries Whose Languages Have Alphabetic Extenders - Guidelines For Harmonization
出版：International Organization for Standardization
专家解读视频
1975
BS 2481-1:1982 - Similar
NFE 55 060:1976 - Similar
DIN 2137-1 (1995-07) - Similar
DIN 2137-2 (2003-09) - Similar
NS 4115:1980 - Similar
BS 2481-1(1982) : 1982 - Similar to
NFE 55 060 : 1976 - Similar to
DIN 2137-1 : 2012 - Similar to
DIN 2137-2 : 2012 - Similar to
NS 4115 : 1980 - Similar to
NS 4115 : 1980 - Similar to
NFE 55 060 : 1976 - Similar to
