GENEVA, July 6 -- LIUPANSHUI NORMAL UNIVERSITY filed a patent application (CN2025/125847) for “RAPID WATER INRUSH POINT PLUGGING METHOD FOR COAL MINE ROADWAY”. With publication no. WO/2026/138062, here are the other details related to the patent application:
Kind: Initial Publication without ISR [A2]
IPC: E21F 17/103
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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