17.140.30;17.140.50 标准查询与下载
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Particular requirements, procedure for the verification of accuracy, and the information to be shown on the calibration certificate.
Specification for sound level meters for the measurement of noise emitted by motor vehicles
- ICS
- 17.140.30;17.140.50
- CCS
- N65
- 发布
- 1986-02-28
- 实施
- 1986-02-28
