DIN 45635-1001:1990-12
Отменен
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 vacuum cleaners; (IEC 704-2-1:1985 modified); german version HD 423.2.1 S1:1986 (as of 1989)
— 7 стр.