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ABNT NBR IEC 61260-1
Electroacoustics - Octave-band and fractional-octave-band filters Part 1: Specifications
Edition
2023-09-19
ABNT NBR IEC 61260-2
Electroacoustics - Octave-band and fractional-octave-band filters Part 1: Pattern-evaluation tests
Edition
2023-10-27
ABNT NBR IEC 61260-3
Electroacoustics - Octave-band and fractional-octave-band filters Part 3: Periodic tests
Edition
2022-03-08
NF S31-252-4 ; NF ISO 13473-4:2024-05-15
Characterization of pavement texture by use of surface profiles - Part 4: One third octave band spectral analysis of surface profiles
Edition
2024-05-15
BS ISO 13473-4
Characterization of pavement texture by use of surface profiles. One third octave band spectral analysis of surface profiles
Edition
2024-04-24
UNE 21328-4
OCTAVE HALF OCTAVE AND A THIRD OCTAVE BAND FILTERS USED IN NOISES AND VIBRATIONS ANALYSIS.
Edition
1975-04-15
UNE-EN 61260-1
Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications (Endorsed by AENOR in August of 2014.)
Edition
2014-08-01
UNE-EN 61260-2
Electroacoustics - Octave-band and fractional-octave-band filters - Part 2: Pattern-evaluation tests (Endorsed by AENOR in July of 2016.)
Edition
2016-07-01
UNE-EN 61260-2/A1
Electroacoustics - Octave-band and fractional-octave-band filters - Part 2: Pattern-evaluation tests (Endorsed by Asociación Española de Normalización in August of 2017.)
Edition
2017-08-01
UNE-EN 61260-3
Electroacoustics - Octave-band and fractional-octave-band filters - Part 3: Periodic tests (Endorsed by AENOR in July of 2016.)
Edition
2016-07-01
