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ČSN - Czech national standards
Page 142
ČSN EN ISO 11691 (01/06/2021) Withdrawn
Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method
Available design: Print design
from 13.90 EUR more info
ČSN ISO 11691 (01/08/1996) Withdrawn
Acoustics. Measurement of insertion loss of ducted silencers without flow. Laboratory survey method
Available design: Print design
from 7.70 EUR more info
ČSN EN ISO 5136 (01/04/2010)
Acoustics - Determination of sound power radiated into a duct by fans and other air-moving devices - In-duct method
Available languages: Czech
Available design: Print design
from 24.40 EUR more info
ČSN EN 25136 (01/12/1996) Withdrawn
Acoustics. Determination of sound power radiated into a duct by fans. In-duct method (ISO 5136:1990 and Technical Corrigendum 1:1993)
Available design: Print design
from 14.40 EUR more info
ČSN EN ISO 5136 (01/09/2003) Withdrawn
Acoustics - Determination of sound power radiated into a duct by fans and other air-moving devices - In-duct method
Available design: Print design
from 23.30 EUR more info
ČSN ISO 8297 (01/01/1997)
Acoustics. Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment. Engineering method
Available languages: Czech
Available design: Print design
from 9.20 EUR more info
ČSN ISO 8297:1997/Amd.1 (01/11/2021) Change
Akustika - Určení hladin akustického výkonu výrobních provozů s více zdroji pro účely vyhodnocení hladin akustického tlaku prostředí - Technická metoda.
Available languages: Czech
Available design: Print design
from 4.90 EUR more info
ČSN EN ISO 5135 (01/03/2022)
Acoustics - Determination of sound power levels of noise from air-terminal devices, air terminal units, dampers and valves by measurement in reverberation test room
Available languages: Czech
Available design: Print design
from 9.20 EUR more info
ČSN EN ISO 5135 (01/11/1999) Withdrawn
Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in reverberation room
Available design: Print design
from 9.20 EUR more info
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