GENEVA, July 9 -- QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD. filed a patent application (CN2025/084677) for “VARIABLE REFRIGERANT FLOW AIR CONDITIONING SYSTEM”. With publication no. WO/2026/091392, here are the other details related to the patent application:
Kind: Corrected version of pamphlet [A9]
IPC: F24F 1/0003
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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