NEN 10651 : 94 AMD 1 1994被替代
SOUND LEVEL-METERS
出版：Netherlands Standards
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基本信息
标准编号： NEN 10651 : 94 AMD 1 1994
标准类别：Standard
出版单位：Netherlands Standards
标准页数：0
标准简介
Specifies the following characteristics of sound level meters: a) directional characteristics; b) frequency weighting characteristics; c) time weighting, detector and indicator characteristics; d) sensitivity to various environments.
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