Migration Barriers, Systems and Methods
- 专利权人:
- John Kokenge
- 发明人:
- John Kokenge
- 申请号：
- US13852106
- 公开号：
- US20130255587A1
- 申请日:
- 2013.03.28
- 申请国别(地区):
- US
- 年份:
- 2013
- 代理人:
- 摘要：
- A migration barrier includes a first barrier wall and a second barrier wall wherein at least one of the first and second barrier walls together provide a stable base structure that maintains the barrier assembly in an upright, standing position.
- 来源网站：
- 中国工程科技知识中心
