实施日期:2009-03-01
Acoustics -- Noise from shooting ranges -- Part 4: Prediction of projectile sound
发布日期:2006-04-01 实施日期:2006-04-01
Acoustics -- Measurement of sound absorption in a reverberation room
发布日期:2003-05-01 实施日期:2003-05-01
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic test rooms and hemi-anechoic roo...
Acoustics -- Noise from shooting ranges -- Part 5: Noise management
发布日期:2010-02-01 实施日期:2010-02-01
Acoustics -- Preferred reference values for acoustical and vibratory levels
发布日期:2008-08-01 实施日期:2008-08-01
Medical electrical equipment -- Part 2-12: Particular requirements for basic safety and essential performance of critical care ventilators
发布日期:2011-04-01 实施日期:2011-04-01
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6:Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field cond...
实施日期:2012-11-01
实施日期:2006-11-30
Acoustics -- Noise from shooting ranges -- Part 1: Determination of muzzle blast by measurement
发布日期:2005-08-01 实施日期:2005-08-01
请选择需要导出的字段:
请选择需要导出的字段:
知识产权声明 | 服务承诺 | 联系我们 | 客户服务 | 关于我们
互联网出版许可证:新出网证(京)字042号 互联网药品信息服务资格证书号:(京)-经营性-2011-0017 信息网络传播视听节目许可证 许可证号:0108284
万方数据标准管理系统V1.0 证书号:软著登字第4252816号
京ICP证:010071 京公网安备11010802020237号 京ICP备08100800号-1
客服电话:4000115888 客服邮箱:service@wanfangdata.com.cn 违法和不良信息举报电话:4000115888 举报邮箱:problem@wanfangdata.com.cn 举报专区:https://www.12377.cn
万方数据知识服务平台--国家科技支撑计划资助项目(编号:2006BAH03B01)©北京万方数据股份有限公司 万方数据电子出版社