声学 护听器 第2部分：戴护听器时有效的A计权声压级估算
Acoustics—Hearing protectors—Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
标准状态
发布于：2026-02-27
实施于：2026-09-01
废止
Acoustics—Hearing protectors—Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn