Test item 测试名称: 纸和纸板的用称量法测定弯曲刚度 paper and board determination of the bending stiffness by the beam method

Lead time 测试周期:  常规Regular service 12 个工作日

Sample size 送样规格:  20cm x 20cm x 2pcs

Others 其他信息:  

Sample for reference 参考图片:

>Sample Report 报告样本：