供应国际标准ISO354
SO/TR 140-13, Acoustics ― Measurement of sound insulation in buildings and of building elements ― Part 13: Guidelines
ISO 11654，声学―建筑物用吸音器―吸声率
ISO 11654, Acoustics ― Sound absorbers for use in buildings ― Rating of sound absorption
ISO 3382, 声学―测量房间混响时间根据其他声学参数
ISO 3382, Acoustics ― Measurement of the reverberation time of rooms with reference to other acoustical parameters
详情请咨询：易朔产品服务有限公司
电话：(+86)0592-5056211
邮件：info@ecosafene.com
网址：htt
2/3 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
11/14 19:42