GENEVA, June 9 -- GUANGZHOU LANGO ELECTRONIC TECHNOLOGY CO., LTD. (15/f, Unit 1, Building 2, No 11 Guangpu Road, Huangpu DistrictGuangzhou, Guangdong 510663), 广州朗国电子科技股份有限公司 (中国广东省广州市黄埔区光谱中路11号云升科学园2栋1单元15层) filed a patent application (PCT/CN2024/101783) for "MULTI-AREA WRITING METHOD AND APPARATUS FOR ELECTRONIC WHITEBOARD, TERMINAL DEVICE, AND STORAGE MEDIUM" on Jun 27, 2024. With publication no. WO/2025/112508, the details related to the patent application was published...