1 documents found
Head: Дрібан Віктор Олександрович. Working out of the normative document from depreservation of coal reserves out of protective bottom pillars in the pre-liquidation period of mines.
Ukrainian State Resеаrch and Design Institute of Mining Gеology, Rock Mechaniеs and Serveying. № 0104U009526
1 documents found
Updated: 2026-03-24
