Home / Standards / GB/T 10021-1988 GB/T 10021-1988 Abolished Office machines -- Basic arrangement for the alphanumeric section of keyboards operated with both hands 办公机器 双手操作键盘字母数字区的基本布局 Standard Type GBT ICS 35.180 CCS L63 Status 废止 Issue Date 1988-12-10 Implementation 1989-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委