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No Vibration Stone Column Drill
A drill including a drill flight where the drill flight changes angle from a primary flight angle (A1) to a secondary flight angle (A2).
No Vibration Stone Column Drill
A drill including a drill flight where the drill flight changes angle from a primary flight angle (A1) to a secondary flight angle (A2).
No Vibration Stone Column Drill
MCMILLAN JARON LYELL (Autor:in)
05.05.2022
Patent
Elektronische Ressource
Englisch