DIN EN 60645-1:2018-08 Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry (IEC 60645-1:2017); German version EN 60645-1:2017
标准编号:DIN EN 60645-1:2018-08
英文标题:Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry (IEC 60645-1:2017); German version EN 60645-1:2017
德文标题:Akustik - Audiometer - Teil 1: Reinton-Audiometer (IEC 60645-1:2017); Deutsche Fassung EN 60645-1:2017
发布日期:2018-08
标准预览图


