Исследование на Шум сокращения и защиты звука-доказательство наушники
981 руб.
Характеристики
- Function
- Noise Reduction
- Scope Of Application
- Work Learning
- Item Number
- Two Hundred And Twelve
- Series
- Sound Proof Ear Mask
- Snr
- Twenty-six
- Nnr
- Thirty-two
- Colour
- Yellow Orange
- Texture Of Material
- Abs
- Noise Reduction Rate
- Twenty-nine
- Way Of Wearing
- Head Wear
- Lining Material
- Sponge
- Order Number
- Two Hundred And Eight
- Cup Color
- Yellow Orange
- Suitable For Noise Environment
- Thirty-two
- Cup Cover Thickness
- 3mm
