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IEC 46B/225/FDIS
IEC 61580-4: Methods of measurement for waveguides - Part 4: Attenuation of waveguide and waveguide assembly
IEC 86B/2839/CD
IEC 61300-3-4 Ed. 3.0: Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-4: Examinations and measurements - Attenuation
IEC 86C/1114/CDV
IEC 61280-4-2/Ed2: Fibre-optic communication subsystem test procedures - Part 4-2: Installed cable plant- Single-mode attenuation and optical return loss measurement
ISO/TC 43/SC 2/WG 34
Speech attenuation
NA 001-01-06 AA
Measurement of sound attenuation of hearing protectors
ISO/TC 43/SC 1/WG 17
Methods of measurement of sound attenuation of hearing protectors
ISO/TC 43/SC 1/WG 61
Revision of ISO 9613-2 - Attenuation of sound during propagation outdoors
CEN/TC 155/WG 1
Installation outside building structures of flexible piping systems and rainwater infiltration and storage/attenuation systems
prEN ISO 9613-2
Acoustics - Attenuation of sound during propagation outdoors - Part 2: Engineering method for the prediction of sound pressure levels outdoors (ISO 9613-2:2024)
DIN EN ISO 9613-2
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
