声学 噪声源声功率级的测定 使用基础标准与制订噪声测试规范的准则
Acoustics--Determination of sound power levels of noise sources--Guide lines for the use of basic standards and for the preparation of noise test codes
标准状态
发布于：1993-03-17
实施于：1993-12-01
已废止
基本信息
内容预览
Acoustics--Determination of sound power levels of noise sources--Guide lines for the use of basic standards and for the preparation of noise test codes