A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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 (author)
2023-07-13
Patent
Electronic Resource
English
IPC:
E02D
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