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OA02536A
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Improvement in flotation treatment of potash ores.
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ES342150A1
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Procedure to improve the operation of the mixing condensers. (Machine-translation by Google Translate, not legally binding)
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DE1259804B
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Process for the flotation of coarse-grained particles
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ES340902A1
|
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Flotation of coarse particles
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OA02122A
|
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Treatment of potassium ores.
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DE1161835B
|
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Device for centering an element, in particular a hydraulically controlled ram of a support frame in mining
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US3184206A
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Support units especially for mine roof
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GB981568A
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Improvements in or relating to mine roof supporting structure
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ES238303A1
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A procedure for enrichment by flotation of cainºtic minerals (Machine-translation by Google Translate, not legally binding)
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GB796758A
|
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Haulage apparatus
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GB652460A
|
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Method for purifying bromine
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US2650706A
|
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Method and apparatus for separating solid particles
|
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GB644058A
|
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Improvements in or relating to remote control devices for electric apparatus
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US2604988A
|
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Froth flotation of potassium chloride from sodium chloride
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US2590756A
|
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Art of mineral separation
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GB522061A
|
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Improvements relating to props and supporting beams for use in mines or the like
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US1956760A
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Method and apparatus for the magnetic separation of mixed products
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US1988763A
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Crystallizing apparatus
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GB370801A
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Process for measuring the inclination of boring holes in the earth
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GB370315A
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Process for measuring the inclination of boring holes in the earth and determining the correct inclination of strata
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