Cotton bud
- 专利权人:
- Beat Häni
- 发明人:
- Beat Häni,Christian Rytka,Guy Petignat
- 申请号：
- US14127303
- 公开号：
- US09555153B2
- 申请日:
- 2012.06.20
- 申请国别(地区):
- US
- 年份:
- 2017
- 代理人:
- 摘要：
- A cotton bud with a rod-like grip body and with a bud body that is arranged at least at one free end of the grip body. The rod-like grip body is a biologically degradable extrusion body, and includes natural fibers embedded into a material matrix.
- 来源网站：
- 中国工程科技知识中心
