Measurement of noise emitted by machines; airborne noise emission; enveloping surface method and special reverberation room method; household and similar electrical appliances; particular requirements for washing machines and spin extractors (IEC 60704-2-4:1989); german version HD 423.2.4 S1:1989— 9 стр.
Acoustics; statistical methods for determining and verifying stated noise emission values of machinery and equipment; part 1: general considerations and definitions; (identical with ISO 7574-1:1985); german version EN 27574-1:1988— 7 стр.
Acoustics; statistical methods for determining and verifying stated noise emission values of machinery and equipment; part 2: methods for stated values for individual machines; (identical with ISO 7574-2:1985); german version EN 27574-2:1988— 5 стр.
Acoustics; statistical methods for determining and verifying stated noise emission values of machinery and equipment; part 3: simple (transition) method for stated values for batches of machines; (identical with ISO 7574-3:1985); german version EN 27574-3:1988— 5 стр.
Acoustics; statistical methods for determining and verifying stated noise emission values of machinery and equipment; part 4: methods for stated values for batches of machines; (identical with ISO 7574-4:1985); german version EN 27574-4:1988— 13 стр.
