Home / Standards / GB/T 3911-1983 GB/T 3911-1983 Active Graphical representations of the control characters of 7-bit coded character set for information processing 信息处理用七位编码字符集控制字符的图形表示 Standard Type GBT ICS 35.040 CCS L71 Status 现行 Issue Date 1983-11-02 Implementation 1984-10-01 Responsible Dept 国家标准委 Drafting Unit N/A