Home / Standards / GB/T 2787-1981 GB/T 2787-1981 Abolished Keyboard for international information processing interchange using the 7-bit coded character set--Alpha-numeric area 信息处理交换用七位编码字符集键盘的字母数字区布局 Standard Type GBT ICS 35.180 CCS L63 Status 废止 Issue Date 1981-10-26 Implementation 1982-08-01 Responsible Dept 国家标准委 Drafting Unit N/A