GENEVA, April 27 -- HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, Bantian, Longgang DistrictShenzhen, Guangdong 518129), 华为技术有限公司 (中国广东省深圳市龙岗区坂田华为总部办公楼), SONGSHAN LAKE MATERIALS LABORATORY (Building A1, University Innovation Park, Songshan LakeDongguan, Guangdong 523808), 松山湖材料实验室 (中国广东省东莞市松山湖国际创新创业社区A1栋) filed a patent application (PCT/CN...