Normen ČSN - Tschechische nationale Normen - Seite Nr. 139

Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room

UNGÜLTIG herausgegeben am 1.3.2021

Acoustics - Test code for the measurement of airborne noise emitted by power lawn mowers, lawn tractors, lawn and garden tractors, professional mowers, and lawn and garden tractors with mowing attachments

UNGÜLTIG herausgegeben am 1.8.1997

Acoustics - Measurements on silencers in situ

Die Norm herausgegeben am 1.5.1998

Acoustics - Measurement of airborne noise emitted by steam turbines and driven machinery

UNGÜLTIG herausgegeben am 1.6.1998

Acoustics - Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices - Part 1: Airborne noise measurement

Die Norm herausgegeben am 1.10.2024

Acoustics - Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices - Part 2: Structure-borne vibration measurements

Die Norm herausgegeben am 1.12.2011

Acoustics - Method for the measurement of airborne noise emmited by small air-moving devices

UNGÜLTIG herausgegeben am 1.5.1999

Acoustics - Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices - Part 1: Airborne noise measurement

UNGÜLTIG herausgegeben am 1.10.2011

Acoustics - In-situ determination of insertion loss of outdoor noise barriers of all types

Die Norm herausgegeben am 1.6.1999

Akustika - Určení vložného útlumu in situ venkovních protihlukových clon všech typů.

Korrektur herausgegeben am 1.1.2000