GENEVA, Oct. 22 -- HANGZHOU GREATSTAR INDUSTRIAL CO. LTD. filed a patent application (CN2026/089869) for “KEY CHAIN LIGHT”. With publication no. WO/2026/219093, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: F21V 23/04
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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