GENEVA, July 27 -- HANGZHOU HPWINNER OPTO CORPORATION filed a patent application (CN2025/141388) for “LAMP SEALING STRUCTURE”. With publication no. WO/2026/152947, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: F21V 31/00

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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