ISO 3791:1976现行
Office machines and data processing equipment - Keyboard layouts for numeric applications
出版：International Organization for Standardization
专家解读视频
AS 2250-1979 - Identical
BS 5448:1977 - Equivalent
INCITS/ISO 3791-1976 (R2013) - Identical
DIN 9758 (1977-11) - Similar
DIN 9753 (1982-11) - Similar
NFE 55 063:1967 - Similar
PN 92/F-02007:1992 - Identical
