Amendment 2 to IEC 118-2 (Edition 2): Hearing aids - Part 2: Measurments of frequency response using steady state broad band input signals

CORRIGENDUM to Document 104/51/NP: Proposal of the German NC: Complete revision of IEC 60068-64, 1st Ed. (1993): Environmental testing - Part 2: Test methods - Test Fh: Vibration, broad-band random (digital control) and guidance

IEC 60068-2-64 Ed.2.0: Environmental testing - Part 2-64: Test methods - Test Fh: Vibration, broad-band random (digital control) and guidance

Aerospace - Survey sheet, textiles, broad woven fabric

Amendment 2 to IEC 118-2 (Edition 2): Hearing aids - Part 2: Measurments of frequency response using steady state broad band input signals

Basic specification for optical fibre amplifier test methods - Part 4-1: Test methods for analogue parameters - Gain-slope by broad band source test method (IEC 86C/194/NP : 1998)

Acoustics - Attenuation of sound during propagation outdoors - Part 2: Engineering method for the prediction of sound pressure levels outdoors (ISO 9613-2:2024); German and English version prEN ISO 9613-2:2024

Acoustics - Attenuation of sound during propagation outdoors - Part 2: Engineering method for the prediction of sound pressure levels outdoors (ISO 9613-2:2024)