GB2246577B
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1994-09-07
Coal gasification and desulfurization
ZA899031B
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1991-04-24
Apparatus for cleaning air in coal mines
GB2281454B
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1997-04-16
Connector inspecting apparatus
IL101531A0
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1992-12-30
Method of and means for exploiting fuel having high sulfur content
EP0518141A3
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1993-04-21
Cigarette inspection method
GB2115933B
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1986-10-22
Procedure and means for measuring the coal content in quick ash
EP0628803A3
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1995-12-27
Method and device for measuring moisture content.
ZA945043B
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1995-02-23
Coal gasification and sulfur removal process
GB2256412B
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1994-05-25
Improvements in scraper units for scraper chain assemblies
PL299637A1
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1995-01-09
Apparatus for measuring ash sulfur content in coal
AU6317894A
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1994-11-24
A method and apparatus for determining the concentration of incombustible material in coal
EP0474142A3
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1992-04-15
Sorting device for pieces in bulk
FI923245A7
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1992-07-15
Method for slaking quicklime contained in ash
PL299944A1
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1995-02-06
Method of measuring sulfur and ash content in coal
PL252086A1
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1986-08-26
Apparatus for continuously measuring ash content in coal
PL285620A1
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1991-12-16
Apparatus for enriching and desulfurizing useful minerals in particular coals
PL308717A1
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1995-11-27
Composition for use in coal flotation
RU1821716C
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1993-06-15
Method of measuring ash content of coal
PL308496A1
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1996-11-12
Method of continuously measuring ash content in conveyed coal streams
PL251364A1
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1986-07-01
Apparatus for radiometrically determining ash in coal
PL292824A1
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1993-06-28
Coal dust desulfurizing method and desulfurization plant therefor
PL301702A1
(en )
1995-07-10
Apparatus for cleaning and classifying useful minerals in paerticular coal
PL305213A1
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1996-04-01
Apparatus for taking primary coal samples
HU9300838D0
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1993-11-29
Method for briquettinbg waste coal or coal dust
PL301627A1
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1995-06-26
Lump breakage preventing apparatus especially for use in crude coal bunkers