Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for anechoic rooms and hemi-anechoic rooms— 72 стр.
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for anechoic rooms and hemi-anechoic rooms— 76 стр.
Safety of woodworking machines. Circular sawing machines. Manual horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws)— 50 стр.
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for anechoic rooms and hemi-anechoic rooms— 72 стр.
Safety of woodworking machines. Circular sawing machines. Double blade circular sawing machines for cross-cutting with integrated feed and with manual loading and/or unloading— 46 стр.
BS EN 13141-7. Ventilation for buildings. Performance testing of components/products for residential ventilation. Part 7. Performance testing of ducted mechanical supply and exhaust ventilation units (including heat recovery)— 48 стр.
Ventilation for buildings. Performance testing of components/products for residential ventilation. Performance testing of un-ducted mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for a single room— 44 стр.
Ventilation for buildings. Performance testing of components/products for residential ventilation. Performance testing of a mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for single family dwellings— 38 стр.
Safety of woodworking machines. Circular sawing machines. Single blade edging circular rip sawing machines with power driven saw unit and manual loading and/or unloading— 62 стр.
Safety of woodworking machines. Circular sawing machines. Multi-blade cross-cut sawing machines with integrated feed of the workpiece and manual loading and/or unloading— 52 стр.
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for anechoic rooms and hemi-anechoic rooms— 76 стр.
Safety of woodworking machines. Circular sawing machines. Manual horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws)— 52 стр.
