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高声压测量传声器动态范围上限校准规范
参考页数:27
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阻抗听力计(耳声阻抗/导纳测量仪器)型式评价大纲
参考页数:36
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声级测量系统的标准规格
Standard Specification for Systems to Measure Sound Levels
参考页数:5P.;A4
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锻制曲轴的超声波检验的标准规格
Standard Specification for Ultrasonic Examination of Forged Crankshafts
参考页数:3P.;A4
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奥氏体钢锻件的超声波检验的标准实践规程
Standard Practice for Ultrasonic Examination of Austenitic Steel Forgings
参考页数:5P.;A4
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