GENEVA, March 16 -- CNBM (SHANGHAI) AVIATION TECHNOLOGY CO., LTD. (Room 450, No. 188, Yesheng Road, Lingang New Area, China (Shanghai) Pilot Free Trade ZonePudong New Area, Shanghai 201306), 中建材(上海)航空技术有限公司 (中国上海市浦东新区(上海)自由贸易试验区临港新片区业盛路188号450室) filed a patent application (PCT/CN2025/101013) for "HOLE-DRILLING WEIGHT REDUCTION METHOD AND APPARATUS FOR COMPOSITE STIFFENED PANEL, AND ELECTRONIC DEVICE AND STORAGE MEDIUM" on Jun 13, 2025. With publ...