GENEVA, March 22 -- HANGZHOU HANGYANG EXPANDER CO., LTD. (No.799, Xiangfu Road, Qingshanhu Street, Lin'an District,Hangzhou, Zhejiang 311300), 杭州杭氧膨胀机有限公司 (中国浙江省杭州市临安区青山湖街道相府路799号) filed a patent application (PCT/CN2025/112789) for "ELECTRO-PNEUMATIC EXPANDER TEST APPARATUS AND TEST METHOD" on Aug 05, 2025. With publication no. WO/2026/056581, the details related to the patent application was published on Mar 19, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, whi...