GENEVA, June 24 -- YORK GUANGZHOU AIR CONDITIONING AND REFRIGERATION CO., LTD. filed a patent application (CN2025/134050) for “STOP-CHECK VALVE”. With publication no. WO/2026/113919, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: F16K 15/03
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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