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R & D report
Head: Mineev S.P.. To conduct research works and give out to recommendation of relatively safe ventilation of making with producing of an exhaust vent stream from realization freight ходка I will incline №3 gr of l8 mountains.550m to an introductory vent stream of a 1 South lava of dukeway №3 gr of l8 mountains.550m. (popup.stage: ). The Polyacov Institute of Geotechnical mechanics of NAS of Ukraine. № 0216U006686
1 documents found
Updated: 2026-03-24
