DIN 4844-1-2005 图形符号.安全颜色和安全符号.第1部分:工作场所和公共场合的安全符号设计原则
Graphical symbols - Safety colours and safety signs - Part 1: Design principles for safety signs in workplaces and public areas (ISO 3864-1:2002 modified)
It prescribes safety identification colours and design principles for the purpose of accident prevention, fire protection, health hazard information and emergency evacuation. It gives the model of the safety signs seen in work places and in public areas.