부직포

Nonwoven removes stains

  • 출판일2000.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 337
A fibrous material intended to remove plaque and other stains from teeth has been invented by Lion. The material is composed of polypropylene, ethylene vinyl alcohol and rayon and eliminates 90% of material adhering to the protein cover of teeth.
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