Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane— 40 стр.
Tractors, machinery for agriculture and forestry, powered lawn and garden equipment. Symbols for operator controls and other displays. Common symbols (review)— 40 стр.
Tractors, machinery for agriculture and forestry, powered lawn and garden equipment. Symbols for operator controls and other displays. Symbols for powered lawn and garden equipment— 12 стр.
Tractors, machinery for agriculture and forestry, powered lawn and garden equipment. Symbols for operator controls and other displays, Symbols for forestry machinery— 26 стр.
Agricultural and forestry machinery. Pedestrian controlled tractors with mounted rotary cultivators, motor hoes, motor hoes with drive wheel(s). Safety— 26 стр.
Household and similar electrical appliances. Safety. Particular requirements for pedestrian-controlled mains-operated lawn scarifiers and aerators— 66 стр.
