DIN 45635-11:1987-01

Действует

Measurement of noise emitted by machines; airborne noise emission, enveloping surface method; internal combustion engines — 8 стр.

ICS

27.020 Internal combustion engines / Двигатели внутреннего сгорания

17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования