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(en )
1998-09-30
Apparatus and method for drilling boreholes
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(en )
1998-01-31
Drilling method and apparatus
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(en )
1998-10-14
Drill bit and method
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(en )
1998-07-15
Method of downhole drilling and apparatus therefore
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1996-08-14
Drilling apparatus
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1998-03-06
Rotary-percussion drill apparatus and method
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(en )
1999-06-02
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(en )
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Drilling bit assembly and apparatus
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1998-05-11
Method of controlled blasting.
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Apparatus and method for drilling boreholes
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2000-08-14
Method of and apparatus for drilling holes
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Borehole apparatus
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Method of lining pipes
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Method of lining pipes
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1998-05-28
Process and device for drilling and lining of bore-holes.
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1998-02-02
Apparatus for combined drilling of blast-holes and anchor-holes
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(en )
1999-03-01
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(en )
1996-12-18
Drilling processes
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(en )
2001-08-08
Apparatus and method for drilling boreholes
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(en )
1998-04-22
Apparatus and method for drilling boreholes
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(en )
2001-05-30
Apparatus and method for drilling boreholes
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(en )
1996-07-24
Drilling apparatus
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(en )
1999-11-10
Method of lining pipes
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(en )
1997-07-16
Apparatus and method for drilling and lining a second borehole from a first borehole