GENEVA, Feb. 15 -- SHANGHAI HANBANG UNITED 3D TECH CO., LTD. (Building #3, No. 301 Benteng Road, No. 76 Pengyi RoadLin-gang Special Area Of China (Shanghai) Pilot Free Trade ZonePudong New Area, Shanghai 201306), 上海汉邦联航激光科技有限公司 (中国上海市浦东新区中国(上海)自由贸易试验区临港新片区鹏翼路76号、奔腾路301号3幢厂房) filed a patent application (PCT/CN2024/097423) for "RAPID AND EFFICIENT POWDER CLEANING MECHANISM FOR A...