DIN 5032-7 - DRAFT
DIN 5032-7 - DRAFT Draft Document - Photometry - Part 7: Classification of illuminance meters and luminance meters
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2016
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2016