S01 技术管理 标准查询与下载
共找到 44 条与 技术管理 相关的标准，共 3 页
Acoustics. Measurement of reverberation time in auditoria
- ICS
- CCS
- S01
- 发布
- 1992-09-09
- 实施
Acoustics. Determination of sound power levels of noise sources. Guidelines for the use of basic standards and for the preparation of noise test codes
- ICS
- CCS
- S01
- 发布
- 1992-09-09
- 实施
Acoustics. Determination of sound power levels of noise sources. Engineering methods for special reverberation test rooms
- ICS
- CCS
- S01
- 发布
- 1992-09-09
- 实施
Acoustics. Determination of sound power levels of noise sources. Engineering methods for free-field conditions over a reflecting plane
- ICS
- CCS
- S01
- 发布
- 1992-09-09
- 实施
