ASTM E 1050返回 Back
 
Test item 测试名称:Absorption and Impedance Measurements 吸音效果
 
Sample size 送样规格:20m2
 
Lead time 测试周期: 常规 Regular service 9  working days
 
Others 其他信息:
 
Sample for reference 参考图片:
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Sample Report 报告样本:
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