Laermschutzeinrichtungen an Strassen. Pruefverfahren zur Bestimmung der akustischen Eigenschaften. Produktspezifische Merkmale der Schallabsorption Road Traffic Noise Reducing Devices-Test Method for D...
实施日期:1998-01-15
Method of Test for Glass Wool Acoustic Materials
发布日期:1982-07-21 实施日期:1982-07-21
实施日期:1997-04-01
Sound-absorbing expanded pure agglomerated cork in tiles
发布日期:1989-04-30 实施日期:1989-04-30
实施日期:2001-06-01
Laermschutzeinrichtungen an Strassen. Pruefverfahren zur Bestimmung der akustischen Eigenschaften. Standardisiertes Verkehrtslaermspektrum Road Traffic Noise Reducing Devices-Test Method for Determinin...
实施日期:1998-02-15
Acoustics; measurement of sound insulation in buildings and of building elements; part 2: determination, verification and application of precision data (ISO 140-2:1991); German version EN 20140-2:1993
The graduation of sound absorption propertyfor absorbent products
发布日期:1997-01-19 实施日期:1997-08-01
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics; In situ values of sound reflection and airborne sound insulation
Acoustics -- Rating of sound insulation in buildings and of building elements -- Part 2: Floor impact sound insulation
Akustik. Messung der Schalldaemmung in Gebaeuden und von Bauteilen. Messung der Luftschalldaemmung zwischen Raeumen in Gebaeuden Acoustics-Measurement of Sound Insulation in Buildings and of Building E...
实施日期:1998-10-15
Method for Measurement of Sound Absorption Coefficients in a Reverberation Room
实施日期:1986-01-17
发布日期:2008-09-01 实施日期:2008-09-01
Acoustics -- Measurement of floor impact sound insulation of buildings -- Part 1: Method using standard light impact source
Acoustics -- Determination of sound absorption coefficient and impedance in impedance tubes -- Part 2: Transfer-function method
发布日期:1998-11-01 实施日期:1998-11-01
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