|
GB1464464A
|
|
Drill comprising a tubular drill string and apparatus releasably connectable to the bottom of said drill string
|
|
ZA7402551B
|
|
A drill
|
|
AU7426574A
|
|
Securing drill bit inserts
|
|
US3757873A
|
|
Adjustable mast for drilling on hoisting with rigid stay
|
|
AU3429471A
|
|
Drilling apparatus
|
|
AU3429571A
|
|
Drilling apparatus
|
|
US3757874A
|
|
Drilling apparatus with mast tilting about upper pivot axis fixed against horizontal translation
|
|
US3758059A
|
|
Drilling apparatus
|
|
AU4409472A
|
|
Wireline core barrel
|
|
AU3429771A
|
|
Drilling apparatus
|
|
AU3429671A
|
|
Drilling
|
|
ZM6469A1
|
|
Core barrel inner tube assembly
|
|
ZM18368A1
|
|
Core drill
|
|
GB1191548A
|
|
Core Barrel Inner Assembly for Geological Testing and Exploration.
|
|
ZM1768A1
|
|
Core barrel inner tube lifter
|
|
GB1222526A
|
|
Core barrel inner tube lifter
|
|
ZM15967A1
|
|
Sealing means for core drills
|
|
ZM16067A1
|
|
Core drills
|
|
GB1160410A
|
|
Sealing Means for Core Drills.
|
|
GB1160409A
|
|
Core Drills.
|
