Electric automatic moist heating pad for medical purposes; Face coverings being sanitary masks for protection against viral infection; Heat and moisture exchanger for medical use; Heating pads for medical purposes; Heating pads, electric, for medical purposes; Medical apparatus, namely, electric heating devices for curative treatment; Oxygen masks for medical purposes; Personal protective equipment (PPE), namely, masks for use by medical personnel; Sanitary masks for medical purposes; Sanitar...