GB2397594B
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2006-07-12
Installing downhole tools in wells
GB0410082D0
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2004-06-09
Controller for underground mining
PL380303A1
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2007-02-05
Method for the coal mining using the coal planer set and coal planer set for the coal mining
PL375737A1
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2005-12-12
Orientation system and method for use in underground mining and tunnel construction
PL352005A1
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2003-08-11
Method of cleaning already gotten coal in underground coal mine workings
PL377218A1
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2006-01-23
Coal face support in a mine
AUPR993902A0
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2002-01-31
Longwall mining method and apparatus
AU2003260143A8
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2004-02-16
Plug for bore-holes in mining operations
AU2003207373A8
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2003-09-09
Method of blasting coal
PL377216A1
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2006-01-23
Control mechanism for the extension units in the longwall face of a mine
AUPS184102A0
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2002-05-30
Improvements in stope mining blasting
PL370607A1
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2006-04-18
Method for underground mining of minerals using rock mechanical mining
PL352234A3
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2003-08-25
Mining railway for underground mines
ZA200305177B
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2005-06-29
Rock drill supports
PL113631U1
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2003-04-22
Apparatus for pneumatically sprinkling water in mine workings
PL358946A1
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2004-09-06
Mineral mining using chamber and pillar method
GB2402358B
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2005-04-06
Blasting apparatus for the blasting of a rock drill bit
PL349380A1
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2003-03-10
Method of exploiting deposits in underground ore mines
PL372404A1
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2006-08-07
Method for mining useful mineral and backfilling pillar workings in deep mines
PL356309A1
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2004-04-05
Method of underground mining of commercial mineral beds and pseudobeds
PL336104A1
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2000-04-10
Method of storing methane in underground workings of a coal mine
PL349327A1
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2003-03-10
Method of eliminating stresses in rock masses aurrounding mine workings
PL357629A1
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2004-06-14
Mining scraper conveyor
ZA200308829B
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2004-07-15
"The provision of support in underground mine workings".
PL349271A1
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2003-02-24
Method of filling worked out mine workings in abandoned deep underground mines and a system therefor