GENEVA, Oct. 30 -- ZHEJIANG KEMAO HOLDING GROUP CO., LTD. filed a patent application (CN2025/137583) for “HIGH-EFFICIENCY EXTERNAL-ROTOR FAN”. With publication no. WO/2026/223037, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: F04D 25/08
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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