DIN 58141-11:2013-06 Measurement of fiber optic elements - Part 11: Determination of photometric characteristics of side emitting light guides; Text in German and English
2013DIN 58141-11:2013-06 Measurement of fiber optic elements - Part 11: Determination of photometric characteristics of side emitting light guides; Text in German and English
2013DIN 58141-11:2013 Measurement of fiber optic elements - Part 11: Determination of photometric characteristics of side emitting light guides; Text in German and English