The back of a personal protective mask

Abstract

1. Name of the product of this design: the rear part of a personal protective mask. 2. Purpose of the product of this design: The product as a whole is used as a personal protective mask, and the part to be protected constitutes the back of the personal protective mask. 3. The design highlights of this design product are the shapes shown by the solid lines. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. Other situations that require explanation: The dotted lines in the view do not constitute part of the protection scope.

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