IEC 60793-1-40 Ed. 2.0 b:2019
IEC 60793-1-40 Ed. 2.0 b:2019
Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuationstandard by International Electrotechnical Commission, 03/27/2019
standard by International Electrotechnical Commission, 03/27/2019