BS ISO 3747. Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering/survey methods for use in situ in a reverberant environment
BS ISO 3747 声学利用声压测定噪声源的声功率级和声能级 混响环境中现场使用的工程/测量方法
Cross References:ISO 6926ISO 7574-1ISO 12001IEC 60942IEC 61260IEC 61672-1ISO Guide 98:19952006/42/ECISO 3740ISO 3741ISO 3743-1ISO 3743-2ISO 3744ISO 3745ISO 3746ISO 4871ISO 5725ISO 7574-2ISO 7574-3ISO 7574-4ISO/TS 7849-1ISO/TS 7849-2ISO 9296ISO 9613-1ISO 9614-1ISO 9614-2ISO 9614-3ISO 14257All current amendments available at time of purchase are included with the purchase of this document.