GENEVA, Aug. 9 -- MASCHINENFABRIK RIETER AG (Klosterstrasse 20, WinterthurCH-8406), 里特机械公司 (瑞士温特图尔修道院大街20号), LUO, Yu (Room 3103 Of No. 43, Wanshui Meilancheng, Zhonglou DistrictChangzhou, Jiangsu 213023), 罗宇 (中国江苏省常州市钟楼区万水美兰城43栋3103室) filed a patent application (PCT/CN2024/074392) for "IMPURITY DELIVERY SYSTEM FOR CARDING MACHINE, CARDING MACHINE THEREOF, AND METHOD FOR MODIFYING CARDING MACHINE" on Jan 29, 2024. With publication no. WO/2025/160688, the details related to the pat...