Transparent mask

Transparent mask

  • CN 201,846,826 U
  • Filed: 11/15/2010
  • Issued: 06/01/2011
  • Est. Priority Date: 11/15/2010
  • Status: Active Grant
First Claim
Patent Images

1. a transparent mask comprises slide (1), and slide (1) is installed on the support (2) of bottom, it is characterized in that, slide (1) top is set to hold the convex of nose areas.

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