DIN EN IEC 60318-8
Electroacoustics - Simulators of human head and ear - Part 8: Acoustic coupler for high-frequency measurements of hearing aids and earphones coupled to the ear by means of ear inserts (IEC 29/1076/CDV:2021); German and English version prEN IEC 60318-8:2021
废止
发布日期 :
2001-05-01
实施日期 :