Registration number (WIID)Project No.TitleStatus
56438LVS HD 304 S1:1977Dimensions of plugs for hearing aidsAtcelts
56150LVS EN 61183:2002Electroacoustics - Random-incidence and diffuse-field calibration of sound level metersStandarts spēkā
56150EN 61183:1994Electroacoustics - Random-incidence and diffuse-field calibration of sound level metersIzstrādē
56149LVS EN 61094-4:2002Measurement microphones - Part 4: Specifications for working standard microphonesStandarts spēkā
56149EN 61094-4:1995Measurement microphones - Part 4: Specifications for working standard microphonesIzstrādē
55932EN 60318-1:1998Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphonesAtcelts
55932LVS EN 60318-1:2003Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphonesAtcelts
55925prEN 60118-10Hearing aids - Part 10: Guide to hearing aid standardsIzstrādē
55816LVS EN 61260:2003 +A1Electroacoustics - Octave-band and fractional-octave-band filtersAtcelts
55816EN 61260:1995/A1:2001Electroacoustics - Octave-band and fractional-octave-band filtersAtcelts
Displaying 91-100 of 281 results.