INTERNATIONAL PATENT: ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD., 浙江盾安人工环境股份有限公司 FILES APPLICATION FOR "PISTON STRUCTURE, SLIDING BLOCK ASSEMBLY AND REVERSING VALVE"

GENEVA, Sept. 15 -- ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD. (Diankou Industry Zone, ZhujiShaoxing, Zhejiang 311835), 浙江盾安人工环境股份有限公司 (中国浙江省绍兴市诸暨市店口工业区) filed a patent application (PCT/CN2025/076397) for "PISTON STRUCTURE, SLIDING BLOCK ASSEMBLY, AND REVERSING VALVE" on Feb 08, 2025. With publication no. WO/2025/185392, the details related to the patent application was published on Sep 11, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the Worl...