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LI G(2)
Graphene non-woven fabric fish-type antibacterial protective mask, has mask main body comprising antiviral layer, where side of filter layer far away from another filter layer is provided with skin-friendly layer.
LI G
Environment-friendly nano graphene antiviral mask for covering mouth and nose of human, has connecting piece and tension piece that are bonded on two sides of protective cloth strip, and thickened cotton bonded on inner wall of cloth.
LI G
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