Negative color projection teaching system applicable to electronic drawing and text files and digital blackboard
21-09-2015 дата публикации
Номер:
TWM509401U
Автор: chun-de Zhang, Meng-Xuan Lin, Ming-Ren Chen, qi-feng Ge, Wei-Mo Zhou, Zi-Ling Lin, CHEN MING-REN, LIN ZI-LING, LIN MENG-XUAN, GE QI-FENG, ZHANG CHUN-DE, ZHOU WEI-MO, CHEN, MING-REN, LIN, ZI-LING, LIN, MENG-XUAN, ZHANG, CHUN-DE, ZHOU, WEI-MO
Контакты:
Номер заявки: 65-09-10427
Дата заявки: 16-06-2015