121.5 and 243.0 MHz emergency position indicating radio beacons (EPIRBs) including personal EPIRBs.
406 MHz satellite distress beacons.
Abrasive belts : dimensions, tolerances and designation.
Abrasive belts : selection of width/length combinations.
Abrasive grains : determination of capillarity.
Abrasive grains : sampling and splitting.
Abrasive grains : test-sieving machines.
Abrasive products : diamond or cubic boron nitride grinding wheels and saws : general survey, designation and multilingual nomenclature.
Abrasive products : diamond or cubic boron nitride grinding wheels : dimensions.
Abrasive products : grain sizes of diamond or cubic boron nitride 41 µm to 1180 µm.
Abrasive products : segmented saws for machining of stone and masonry cutting : dimensions of steel blades.
Abrasive sheets : dimensions, tolerances and designation.
Acidic detergents for use in the dairying industry.
Acoustics : determination of sound absorption coefficient and impedance in impedance tubes.
Acoustics : instrumentation for audiometry
Acoustics : measurement of sound insulation in buildings and of building elements.
Acoustics : methods for the description and physical measurement of single impulses or series of impulses.
Acoustics : octave-band and fractional-octave-band filters.
Acoustics : specifications for personal sound exposure meters.