Method for rapidly intercepting water flow at water-bursting point in coal mine tunnel
LU606309B1Active Publication Date: 2026-08-05LIUPANSHUI NORMAL UNIV
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Patent Information
- Application Number
- LU606309
- Authority / Receiving Office
- LU · LU
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2025-09-30
- Publication Date
- 2026-08-05
- Estimated Expiration
- 2031-09-30
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