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 獲得美國專利 # D1015424：紙幣、身份證、護照、支票、安全文件、政府印章、車輛登記或包裹，具有安全功能