Standards ČSN - Czech national standards - Page 6547

Setting out deviations in building industry. Common regulations

WITHDRAWN published on 13.10.1986

Setting out deviations of space structures

WITHDRAWN published on 13.10.1986

Přesnost vytyčování liniových a plošných stavebních objektů. .

WITHDRAWN published on 13.10.1986

Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1: Method using standing wave ratio

Standard published on 1.1.1999

Akustika - Určování činitele zvukové pohltivosti a akustické impedance v impedančních trubicích - Část 1: Metoda poměru stojaté vlny.

Change published on 1.9.2001

Acoustics . Determination of acoustic properties in impedance tubes . Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance

Standard published on 1.5.2024

WITHDRAWN published on 24.10.1988

Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance

WITHDRAWN published on 1.3.2024

Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method

WITHDRAWN published on 1.4.2000

Acoustics - Determination of airflow resistance - Part 1: Static airflow method

Standard published on 1.8.2020