Electric cables. Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U), Cables for general applications. Flexible cables with crosslinked elastomeric insulation— 46 стр.
Acoustics -- Noise emitted by machinery and equipment -- Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections— 42 стр.
Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Engineering methods for an essentially free field over a reflecting plane— 86 стр.
