德国标准 DIN 4109 建筑物噪声测试
Test item 测试名称:
Sound insulation 建筑物噪声
Lead time 测试周期: 常规 regular 8 weeks working days
Sample size 送样规格: 4pcs finished products
Others 其他信息:
Photo for reference 参考图片:
Sample report 样本报告:
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Test item 测试名称:
Sound insulation 建筑物噪声
Lead time 测试周期: 常规 regular 8 weeks working days
Sample size 送样规格: 4pcs finished products
Others 其他信息:
Photo for reference 参考图片:
Sample report 样本报告: