Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane
Document status: Active
Acoustics. Determination of sound power levels of noise sources using sound pressure. Precision methods for anechoic and semi-anechoic rooms
Document status: Active
Acoustics. Determination of sound power levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane
Document status: Active
Acoustics. Determination of sound power levels of noise sources using sound pressure. Comparison method in situ
Document status: Active
Acoustics. Determination of sound power levels of noise sources using sound pressure. Comparison method in situ
Document status: Active
Textiles. Preparation, marking and measuring of fabric specimens and garments in tests for determination of dimensional change
Document status: Active
Metallic materials. Calibration of force-proving instruments used for the verification of uniaxial testing machines
Document status: Active
Construction drawings. Simplified representation of concrete reinforcement
Document status: Active
Construction drawings. Simplified representation of concrete reinforcement
Document status: Active
