121.5 and 243.0 MHz emergency position indicating radio beacons (EPIRBs) including personal EPIRBs.
406 MHz satellite distress beacons.
A.C. supplied electronic ballasts for tubular fluorescent lamps : performance requirements.
Abbreviations encountered in standards work.
Abrasive belts : dimensions, tolerances and designation.
Abrasive belts : selection of width/length combinations.
Abrasive grains and crudes : chemical analysis of silicon carbide.
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.