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ALEX COMAleft a comment
This is a product that has been copied with false information. My name is Alex Coma and the original Inventor to this concept mask with the unique features. I own the intellectual property rights ( PCT) Patent which carries 30 inventive claims that is copied by this mask. It somewhat states that it is the first Registered FDA transparent mask which is a complete lie. I can produce all relevant...
LEAF MaskA clear face-mask with active UV-C sterilization