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DIN EN 27574-4:1989-03

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