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US3221883A
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Filter press
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FR1322618A
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Improvements to filter presses
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GB827494A
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Method of extracting from solids by means of liquids
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GB835730A
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A method of refining nickel oxide materials
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ES227881A1
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A cuba oven. (Machine-translation by Google Translate, not legally binding)
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FR1144514A
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Shaft oven
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GB789944A
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Shaft furnace
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FR1129885A
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Process of refining fine-grained materials, such as iron oxides, for example roasted pyrites
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GB754589A
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Combustion or roasting furnace, especially for roasting sulphur ore
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DE1027220B
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Furnace for burning or roasting fine-grained material
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FR1099813A
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Process for packaging fine-grained material and apparatus for its production
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GB743224A
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Method of refining fine grained iron oxide material, for example, roasted pyrites
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FR1072197A
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Improvements to processes for silage of forage substances
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GB724938A
|
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Improvements in a method for ensiling vegetable and animal products
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FR1065519A
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Method and device for the manufacture of balls
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US2709833A
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Rotary drum type pelletizing apparatus
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GB708408A
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Method for conditioning fine-grained material for agglomeration, and an apparatus therefor
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GB711102A
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Improvements relating to the pelletizing of material
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GB668929A
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Improvements relating to the production of iron oxide pigments
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US2570572A
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Cooling device and a method for transferring molten aluminum sulfate into solid pieces by using the device
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