ANSI S 39.1返回 Back
Test or certification item 测试或认证名称: ear plug ear protector for sleeping 睡眠用耳塞 - NRR labeling
Refer products 涉及产品: 耳塞
Lead time 周期: 常规服务 regular service 35 工作日 working days （ URGENT service, to be confirm, 加急服务待定 ）
Sample size 送样规格: 3 samples for earmuffs, 20 pair of reusable plugs or 50 pair of disposable plugs
Photo for reference 涉及图片:
Sample report 样本报告：
