ISO/IEC 9995-4 : 2009(R2015)现行
INFORMATION TECHNOLOGY - KEYBOARD LAYOUTS FOR TEXT AND OFFICE SYSTEMS - PART 4: NUMERIC SECTION
出版：International Organization for Standardization
专家解读视频
Within the general scope described in ISO/IEC 9995-1, this part of ISO/IEC 9995 specifies the numeric section of a keyboard and the division of that section into zones.
CSA ISO/IEC 9995-4 : 2010 - Identical
NEN ISO/IEC 9995-4 : 2009 - Identical
CSA ISO/IEC 9995-4 : 2010 - Identical
NF ISO/IEC 9995-4 : 1996 - Identical
NEN ISO/IEC 9995-4 : 2009 - Identical
BS ISO/IEC 9995/4 : 1994 - Identical
INCITS/ISO/IEC 9995-4 : 1994 - Identical
CSA ISO/IEC 9995-4 : 2010 : R2015 - Identical
CSA ISO/IEC 9995-4 : 2010 - Identical
