NBN EN ISO 717-1-1997
NBN EN ISO 717-1-1997 标准详情
- 标准号：NBN EN ISO 717-1-1997
- 中文标题：
- 英文标题：Acoustics - Rating Of Sound Insulation In Buildings And Of Building Elements - Part 1: Airborne Sound Insulation - Amendment 1: Rounding Rules Related To Single Number Ratings And Single Number Quantities
- 标准类别：比利时标准NBN
- 发布日期：
内容简介
Defines single-number quantities for airborne sound insulation in buildings and of building elements such as walls, floors, doors and windows, considers the different sound level spectra of various noise sources inside a building and traffic outside
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