NO20024864D0
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2002-10-09
Drill bit nozzle
NO20026184D0
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2002-12-19
The drill bit
NO20024902D0
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2002-10-11
Expanding drill bit
IT1319343B1
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2003-10-10
PANEL DRILLING MACHINE
NO20025603L
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2006-02-10
Hydraulically operated fluid milling device in an underground well
NO20041424L
(en )
2004-06-04
Concentrated seismic energy at a selected template point in an underground formation.
IT1318111B1
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2003-07-23
PANEL DRILLING MACHINE
ATE320587T1
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2006-04-15
BLASTING IN THE BOREHOLE
NO20041447L
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2004-04-06
Device for drilling in low pressure formations
FI20011235A
(en )
2002-12-13
The rock drilling machine
EE200200623A
(en )
2004-04-15
Drill hole
GB0012124D0
(en )
2000-07-12
By-pass tool for use in a drill string
NO20015633L
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2002-05-22
Communication with a downhole tool
SE0000593D0
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2000-02-24
Way to operate the percussion in a drilling machine, rock drilling device and accumulator unit
FI20002334A0
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2000-10-24
A rock drilling rig
NO20013713D0
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2001-07-27
Device by drill bit
SE0100580D0
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2001-02-21
Way to operate the percussion in a drill; rock drilling device and accumulator unit
NO20031055L
(en )
2003-03-07
Drill bit
DE50110314D1
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2006-08-10
rock drill
DE50108474D1
(en )
2006-01-26
Ram boring machine
FR2810567B1
(en )
2005-04-08
DRILLING DEVICE, IN PARTICULAR A PERCUSSION DRILL, EQUIPPED WITH PERFECTED MEANS FOR SELECTING THE MODE OF OPERATION
NO20020007D0
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2002-01-02
Coupling device for a rock drill
AU4896401A
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2001-11-07
Rock drilling rig
ES1045899Y
(en )
2001-04-16
BAG COLLECT WASTE DRILLING.
ES1048987Y
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2002-02-16
DUST COLLECTION DEVICE PRODUCED IN A DRILLING OPERATION.