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).
Perforatrice comprenant un vol de forage dans lequel le vol change d'un angle de vol primaire (A1) à un angle de vol secondaire (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).
Perforatrice comprenant un vol de forage dans lequel le vol change d'un angle de vol primaire (A1) à un angle de vol secondaire (A2).
NO VIBRATION STONE COLUMN DRILL
PERFORATRICE MONTEE SUR COLONNE A PIERRES SANS VIBRATION
MCMILLAN JARON LYELL (author)
2020-10-08
Patent
Electronic Resource
English
IPC:
E02D
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