Meta Materials Granted U.S. Patent # D1015424: Banknote, Identification Card, Passport, Check, Security Document, Government Stamp, Vehicle Registration, Or Package, With Security Feature
Meta Materials 获得美国专利 # D1015424：纸币、身份证、护照、支票、安全文件、政府印章、车辆登记或包裹，具有安全功能