ISO 140-9:1985 PDF
Acoustics — Measurements of sound insulation in buildings and of building elements — Part 9: Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
Название (английский):
ISO 140-9:1985
Acoustics — Measurements of sound insulation in buildings and of building elements — Part 9: Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 6
- Дата публикации:
- 14 февраля 1985 г.
- Издание:
- ISO IS 140 edition 1 version 1
- ICS:
- 91.060.30
Описание (английский):
Specifies a method for measuring a quantity called the suspended ceiling normalized level difference when the sound transmitted by paths other than the required paths is negligible.
Технические детали
- Технический комитет
- ISO/TC 43/SC 2 - Building acoustics
- SKU
- ISO 140-9:1985