ČSN - České národní normy

Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in essentially free field over a reflecting plane

Dostupné prevedenie: Tlačené

Acoustic - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane

Dostupné prevedenie: Tlačené

Acoustic - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small movable sources in reverberant fields - Part 1: Comparison method for a hard-walled test room

Dostupné jazyky: Česky

Dostupné prevedenie: Tlačené

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms

Dostupné jazyky: Česky

Dostupné prevedenie: Tlačené

Dostupné prevedenie: Tlačené

Dostupné prevedenie: Tlačené

Acoustics. Determination of sound power levels of noise sources. Engineering methods for small, movable sources in reverberant fields. Part 1: Comparison method for hard-walled test rooms

Dostupné prevedenie: Tlačené

Acoustics - Determination of sound power levels of noise sources - Engineering methods for small, movable sources in reverberant fields - Part 1: Comparison method for hard-walled test rooms

Dostupné prevedenie: Tlačené

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms

Dostupné prevedenie: Tlačené

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms

Dostupné prevedenie: Tlačené