标准名称：AS ISO 389.1-2007 Acoustics - Reference zero for the calibration of audiometric equipment Part 1 Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
标准格式：PDF
标准大小：718.73 KB
标准状态：现行
推荐等级：★★★★
授权方式：免费下载
解压密码：www.biaozhuns.com
更新日期：2011年10月26日
内容简介
AS ISO 389.1-2007 Acoustics - Reference zero for the calibration of audiometric equipment Part 1 Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
下载地址