Leather - Determination of pH value and difference figure
Edition 2020-04-28

Figure 8 self-supported optical fiber cable - Specification
Edition 2021-05-18

Optical amplifier technical reports. Theoretical background for noise figure evaluation using the electrical spectrum analyzer
Edition 2003-03-10

Leather - Chemical tests - Determination of pH and difference figure (ISO 4045:2018)
Edition 2019-03-27

Optical amplifiers - Test methods - Part 3: Noise figure parameters (Endorsed by AENOR in February of 2009.)
Edition 2009-02-01

Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method (Endorsed by AENOR in April of 2004.)
Edition 2004-04-01

Optical amplifier test methods - Part 3-2: Noise figure parameters - Electrical spectrum analyzer method (Endorsed by AENOR in February of 2009.)
Edition 2009-02-01

Optical amplifiers - Test methods - Part 3-3: Noise figure parameters - Signal power to total ASE power ratio (Endorsed by AENOR in March of 2014.)
Edition 2014-03-01

Optical amplifiers - Test methods - Part 10-5: Multichannel parameters - Distributed Raman amplifier gain and noise figure (Endorsed by AENOR in October of 2014.)
Edition 2014-10-01

Standard type of letters used in mechanical engraving (Arabic figures and roman types)
Edition 1976-04-30