INTERNATIONAL PATENT: BEIJING ROBOROCK TECHNOLOGY CO., LTD., 北京石头世纪科技股份有限公司 FILES APPLICATION FOR "STRETCH/RETRACTION AND LIFTING/LOWERING MECHANISM AND CLEANING DEVICE"

GENEVA, Oct. 26 -- BEIJING ROBOROCK TECHNOLOGY CO., LTD. (Room 1001, Floor 10, Building 3, Yard 17, Anju RoadChangping District, Beijing 102206), 北京石头世纪科技股份有限公司 (中国北京市昌平区安居路17号院3号楼10层1001) filed a patent application (PCT/CN2025/088914) for "STRETCH/RETRACTION AND LIFTING/LOWERING MECHANISM, AND CLEANING DEVICE" on Apr 15, 2025. With publication no. WO/2025/218640, the details related to the patent application was published on Oct 23, 2025.

Notably, the patent application was submitted under the International Patent Classification (IP...