Hazard area protection system
- 专利权人:
- David Larcher
- 发明人:
- David Larcher
- 申请号:
- US12787824
- 公开号:
- US08289191B2
- 申请日:
- 2010.05.26
- 申请国别(地区):
- US
- 年份:
- 2012
- 代理人:
- 摘要:
- A hazard area protection system wherein it includes a projection device designed to project a light beam on at least part of the surface area on the ground of the hazard area.
- 来源网站:
- 中国工程科技知识中心