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International Standard Category: Noise emitted by machines and equipment |
Category No.: | 17.140.20 | Valid Status: | superseded |
Issued Organization: | State Quality and Technology Supervision Bureau | Issued Date: | 1999-03-08 |
Implemented Date: | 1999-9-1 | Abolished Date: | |
Superseded Standard.: | GB/T 17248.2-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections |
Superseded Date: | 2018-12-28 |
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