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DE1962155A1
|
|
Process for the enrichment of titanium in titanium-containing minerals
|
|
DE1958530A1
|
|
Calcium flurodie concentration from ores - by heat-treatment before flotation
|
|
DE1955881A1
|
|
Mineral concentrates for fillers purified - by flotation
|
|
DE1930703A1
|
|
Pyrometallurgical removal of non-ferrous - metals from iron sulphide melts
|
|
DE1592171A1
|
|
Process for the production of barium hydroxide
|
|
DE1234633B
|
|
Flotation cells
|
|
DE1461475A1
|
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Compaction device for filter cakes on vacuum filters
|
|
GB797845A
|
|
Method of preparing weather-proof, tinted, zinc sulphide pigments
|
|
DE1052606B
|
|
Process for the production of weather-resistant, tinted zinc sulfide pigments
|
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|
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Process for the production of weather-resistant, tinted zinc sulfide pigments
|
|
DE954606C
|
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Process for the production of low-phosphorus iron from phosphorus-rich metallic and oxidic raw materials
|
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DE939561C
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Process and device for processing ores, coal and similar goods using the floating and sinking process
|
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DE931401C
|
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Process and device for processing ores, coal and similar goods using the floating and sinking process
|
|
GB700143A
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Improvements in or relating to the chloridisation of material containing zinc sulphide in the production of zine chloride zinc sulphate
|
|
GB674603A
|
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Method of producing zinc sulphide pigment
|
|
DE839043C
|
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Process to increase the service life of the lining of moving ovens
|
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DE938977C
|
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Process for the production of zinc sulfide with pigment properties
|
|
DE868218C
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|
Process for the sulphating roasting of zinc-containing ores, mining or the like.
|
|
DE732096C
|
|
Manufacture of iron oxide red
|
|
DE735912C
|
|
Drying agents
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