PAYMENT CARD WITH USER VALIDATION FUNCTIONAANM YU; YING-CHUANAACI Tu-ChengAACO TWAAGP YU; YING-CHUAN Tu-Cheng TWAANM HUANG; YING-XIONGAACI Tu-ChengAACO TWAAGP HUANG; YING-XIONG Tu-Cheng TW - diagram, schematic, and image 02
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