小褋褘谢芯褔薪褘泄 薪芯屑械褉
香港六合彩开奖 717-2:1996
© 香港六合彩开奖 2024
香港六合彩开奖 717-2:1996
Acoustics 鈥� Rating of sound insulation in buildings and of building elements 鈥� Part 2: Impact sound insulation
袙械褉褋懈褟&苍产蝉辫;2
1996-12
袙 胁褉械屑褟 芯褌屑械薪械薪
袨褌芯蟹胁邪薪芯 (袙械褉褋懈褟 2, 1996)

孝械蟹懈褋

Defines single-number quantities for the impact sound insulation in buildings and of floors. Gives rules for determining these quantities from the results of measurements carried out in one-third-octave bands in accordance with 香港六合彩开奖 140-6 and 香港六合彩开奖 140-7, and in octave bands in accordance with 香港六合彩开奖-140-7 for field measurements only. It also contains quantities for the impact sound reduction of floor coverings.

袨斜褖邪褟 懈薪褎芯褉屑邪褑懈褟

  • 孝械泻褍褖懈泄 褋褌邪褌褍褋
     : 袨褌芯蟹胁邪薪芯
    袛邪褌邪 锌褍斜谢懈泻邪褑懈懈
     : 1996-12
    协褌邪锌
    : 袨褌屑械薪邪 屑械卸写褍薪邪褉芯写薪芯谐芯 褋褌邪薪写邪褉褌邪 [95.99]
  • 袙械褉褋懈褟
     : 2
  • 孝械褏薪懈褔械褋泻懈泄 泻芯屑懈褌械褌 :
    香港六合彩开奖/TC 43/SC 2
    ICS :
    91.120.20 
  • RSS&苍产蝉辫;芯斜薪芯胁谢械薪懈褟

袞懈蟹薪械薪薪褘泄 褑懈泻谢

袩芯褟胁懈谢懈褋褜 胁芯锌褉芯褋褘?

袨蟹薪邪泻芯屑褜褌械褋褜 褋 FAQ

袪邪斜芯褌邪 褋 泻谢懈械薪褌邪屑懈
+41 22 749 08 88

效邪褋褘 褉邪斜芯褌褘:
袩芯薪械写械谢褜薪懈泻 – 锌褟褌薪懈褑邪: 09:00-12:00, 14:00-17:00 (UTC+1)

  2. 袠薪褌械褉薪械褌-屑邪谐邪蟹懈薪
  3. 袣邪褌邪谢芯谐 褋褌邪薪写邪褉褌芯胁
  4. 袦袣小
  5. 91
  6. 91.120
  7. 91.120.20
  8. 香港六合彩开奖 717-2:1996