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  2. -- Jumbo Drill Tamrock Data Sheet Denmark

Jumbo Drill Tamrock Data Sheet Denmark

technical data on favorable adaption of speed and torque to the respective drilling diameter By the shift gear box in co nnec tion wi th the s ix motor steps I hav e an extrem e wi de s peed torque range an d thus can drill deep holes in the range of 50 350 mm diameter

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