ISO 7779-1999/DAmd 2.2 声学 - 测量信息技术和通信设备空气噪声的 - 修改2 :测量表面的修订,对突出的离散音调设备安装/操作和检测程序
ISO 7779-1999/DAmd 2.2 标准详情
- 标准号:ISO 7779-1999/DAmd 2.2
- 中文标题:声学 - 测量信息技术和通信设备空气噪声的 - 修改2 :测量表面的修订,对突出的离散音调设备安装/操作和检测程序
- 英文标题:Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment - Amendment 2: Revision of measurement surfaces, procedures for equipment installation/operation and detection of prominent discrete tones
- 标准类别:国际标准化组织ISO
- 发布日期:
内容简介
A note about ISO DIS documentsThis document is a Draft International Standard (DIS) published by ISO. Draft International Standards are circulated to all ISO member bodies comment and voting, usually with a five month period. Subject to approval by I
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