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Information × Registration Number 0109U006392, ( 0210U001991  ) R & D request Title To develop a number of safety valves for modern powered supports with an increased service life 3-5 times as much Head Бризньов Сергій Русланович, Registration Date 15-09-2009 Organization Donetsk State Research Plsnning-and-Desing and Experimental Institute of Mine Integrated Mechanization popup.description1 popup.nrat_date 2024-12-10 Close