EYE-PROTECTION HEADGEAR
- 专利权人:
- 3M INNOVATIVE PROPERTIES COMPANY
- 发明人:
- Mats U. Sernfält
- 申请号:
- US16867790
- 公开号:
- US20200261274A1
- 申请日:
- 2020.05.06
- 申请国别(地区):
- US
- 年份:
- 2020
- 代理人:
- 摘要:
- An eye-protection headgear including a rigid visor with a window bearing an optical filter, and with a flexible fabric bib and a flexible fabric cap.
- 来源网站:
- 中国工程科技知识中心