GENEVA, Aug. 31 -- WATTANASARN, Sikornron filed a patent application (TH2026/050014) for “SOUNDPROOF DOOR AND DOOR FRAME”. With publication no. WO/2026/177676, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: E06B 5/20
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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