A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
An asymmetric drill tooth (130) for a stone column drill (21), where the drill (21) includes a drill flight (24), in use said asymmetric tooth (130) is attached to a keeper (120) located at a terminal end (121,122) of said drill flight (24).
An asymmetric drill tooth (130) for a stone column drill (21), where the drill (21) includes a drill flight (24), in use said asymmetric tooth (130) is attached to a keeper (120) located at a terminal end (121,122) of said drill flight (24).
AN ASSYMETRIC DRILL TOOTH
ASSYMETRISCHER BOHRZAHN
DENT D'UN FORER ASSYMETRIQUE
MCMILLAN JARON LYELL (author)
2021-07-28
Patent
Electronic Resource
English
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