| 1. | Specifications for integrating - averaging sound level meters
集成平均声级测量仪规范
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| 2. | Electroacoustics - sound level meters - specifications
电声学.声级计.规范
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| 3. | Calibration specification for electronic level meter
电子水平尺校准规范
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| 4. | Verification regulation of high frequency standard level meter
高频标准零电平表检定规程
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| 5. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范
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| 6. | Electroacoustics - sound level meters - part 1 : specifications
电声学.声级计.第1部分:规范
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| 7. | Electroacoustics - sound level meters - pattern evaluation tests
电声学.声级计.型式评定试验
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| 8. | Verification regulation of selective level meter
选频电平表检定规程
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| 9. | Verification regulation of gamma ray level meter
射线料位计检定规程
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| 10. | Sound system equipment ; part 10 : peak programme level meters
音响系统设备.第10部分:峰值音量电平表
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