Home / Standards / GB 4872-85 GB 4872-85 Office machines and data processing equipment — Principles governing the positioning of control keys on keyboards 办公机器和数据处理设备 键盘上控制键定位的原则 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A