Mask

A mask is provided. The mask according to an exemplary embodiment of the present invention includes: an external layer which forms an external exposed surface when worn; an internal layer which is fixed to one surface of the external layer so that a receiving part having at least one side opened bet...

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Bibliographic Details
Main Author SEOK JEONG SU
Format Patent
LanguageEnglish
Korean
Published 25.03.2022
Subjects
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