DIN 4550返回 Back
 
Test item 测试名称: Self-supporting energized devices for the height adjustment of office work chairs 调节办公座椅高度用自承重增能装置
 
Sample size 送样规格: 3pcs finished products + manual
 
Lead time 测试周期:45 working days
 
Others 其他:
气压杆产品的中管(一般为直径28mm的管子)是什么材质?
表面处理是什么方式?
申请几级测试?
 
Sample Report 报告样本:
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Sample for reference 参考图片:
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