GENEVA, Aug. 17 -- ZHEJIANG HENGFENG TOP LEISURE CO., LTD. (No. 860 Beihu East Street, Wukang Town, Deqing CountyHuzhou, Zhejiang 313200), 浙江泰普森实业集团有限公司 (中国浙江省湖州市德清县武康镇北湖东街860号) filed a patent application (PCT/CN2025/074956) for "TROLLEY FRAME WITH VOLUME INCREASING FUNCTION, AND TROLLEY" on Jan 24, 2025. With publication no. WO/2025/167770, the details related to the patent application was published on Aug 14, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system...