GENEVA, June 24 -- LIUPANSHUI NORMAL UNIVERSITY filed a patent application (CN2025/125809) for “EFFECTIVE IDENTIFICATION METHOD FOR WATER-PRESERVING COAL MINING AREA IN WEATHERED BEDROCK AQUIFER”. With publication no. WO/2026/002312, here are the other details related to the patent application:

Kind: Corrected version of pamphlet [A9]

IPC: E21C 41/18

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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