Perforated nonslip non-adhesive surface covering
- 专利权人:
- Mark A Calkins
- 发明人:
- Mark A Calkins
- 申请号：
- US13022468
- 公开号：
- US09132283B2
- 申请日:
- 2011.02.07
- 申请国别(地区):
- US
- 年份:
- 2015
- 代理人:
- 摘要：
- A surface covering that is a multilayered composite material. The multilayer composite material includes a top facing layer of polymeric film and a bottom layer of unsupported foam.
- 来源网站：
- 中国工程科技知识中心
