Registration number (WIID)Project No.TitleStatus
44097LVS HD 178 S1:1977Methods for specifying the characteristics of electromechanical transducers for shock and vibration measurementsAtcelts
56438LVS HD 304 S1:1977Dimensions of plugs for hearing aidsAtcelts
48337LVS HD 305:2003IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear insertsAtcelts
48463LVS HD 425 S1:1983Sound Level metersAtcelts
54167LVS HD 443 S1:2002Occluded-ear simulator for the measurement of earphones coupled to the ear by ear insertsAtcelts
44353LVS HD 450.0 S1:1984Hearing aids - Part 0: Measurement of electroacoustical characteristicsAtcelts
57191LVS HD 450.11 S1:2002Hearing aids - Part 11: Symbols and other markings on hearing aids and related equipmentAtcelts
49037LVS HD 450.1 S1:1984Hearing aids - Part 1: Hearing aids with induction pick-up coil inputAtcelts
49101LVS HD 450.2 S1:1984Hearing aids - Part 2: Hearing aids with automatic gain control circuitsAtcelts
42720LVS HD 450.3 S1:2002Hearing aids - Part 3: Hearing aids equipment not entirely worn on the listenerStandarts spēkā
Displaying 241-250 of 278 results.