VALVE APPARATUS, SYSTEM AND METHOD
- 专利权人:
- 发明人:
- Jason P. Hill,Susan M. Shoemaker,William J. Drasler
- 申请号:
- US15728682
- 公开号:
- US20180028315A1
- 申请日:
- 2017.10.10
- 申请国别(地区):
- US
- 年份:
- 2018
- 代理人:
- 摘要:
- A venous valve with a frame and a cover on the frame for unidirectional flow of a liquid through the valve.
- 来源网站:
- 中国工程科技知识中心