DIN 4844-1 : 2012现行
GRAPHICAL SYMBOLS - SAFETY COLOURS AND SAFETY SIGNS - PART 1: OBSERVATION DISTANCES AND COLORIMETRIC AND PHOTOMETRIC REQUIREMENTS
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
基本信息
标准编号： DIN 4844-1 : 2012
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
This standard is included in DIN HDBK 445 and DIN VDE HDBK 342/5.
等同采用的国际标准
ISO 6309 : 1987 - Identical
