INTERNATIONAL PATENT: GUANGZHOU SHIYUAN ELECTRONIC TECHNOLOGY COMPANY LIMITED, 广州视源电子科技股份有限公司, GUANGZHOU SHIYUAN INNOVATION TECHNOLOGY CO., LTD, 广州视源创新科技有限公司 FILES APPLICATION FOR "CLASSROOM COLLABORATION METHOD, APPARATUS AND DEVICE AND STORAGE MEDIUM"

GENEVA, May 17 -- GUANGZHOU SHIYUAN ELECTRONIC TECHNOLOGY COMPANY LIMITED (No.6, 4th Yunpu Road, Huangpu DistrictGuangzhou, Guangdong 510530), 广州视源电子科技股份有限公司 (中国广东省广州市黄埔区云埔四路6号), GUANGZHOU SHIYUAN INNOVATION TECHNOLOGY CO., LTD (No. 69, Fenglang 1st Road, Huangpu DistrictGuangzhou, Guangdong 510530), 广州视源创新科技有限公司 (中国广东省广州市黄埔区枫塱一路69号) filed a ...