Answering machine with storage and encryption dog function
YANG YUXUAN, WANG FEI, REN QINGYUN, ZHOU HONGXIA, LI MINGLIANG, ZHAO XIAONING, MU HONGWEI
Year of Publication 18.12.2013
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Year of Publication 18.12.2013
Patent
Portable mobile interactive teaching system
YANG YUXUAN, WANG FEI, ZHANG CHUNFANG, LI MINGLIANG, ZHAO XIAONING, WANG DING, MU HONGWEI
Year of Publication 11.09.2013
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Year of Publication 11.09.2013
Patent