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EP1250397A1
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Method for stabilising ground surface by addition of a binder
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ZA9607683B
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Localization of metallic masses at great depth
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CH541995A
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Sepn of granular, pulverised or clay slurr- - ies
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DE1901278A1
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Device for crushing and desludging minerals to be processed
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DE1817584A1
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Device for grain size analysis
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GB1244374A
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Improvements in or relating to apparatus and processes for sorting products by means of radiation sources
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GB1239953A
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Improvements in or relating to methods and apparatus for determining the electrical resistance of the sub-soil
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GB1218218A
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Improvements in/or relating to bar-type rotary crushers
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GB1209624A
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Improvements in or relating to density separation apparatus
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GB1185221A
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Improvements in or relating to processes for gravimetric separation of granular and/or pulverulent materials
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DE1271051B
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Typesetting machine
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Process for the extraction of trace elements from rock
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GB1156082A
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Improvements in Methods for Resharpening Rotary Drill Bits of Composite Type.
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DE1598093A1
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Device for preparing or initiating chemical analyzes
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CA893623A
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Procede perfectionne de traitement des minerais oxydes de nickel et de cobalt
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CA916094A
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Procede et appareil de separation granulometrique de materiaux granuleux, pulverulents ou argileux
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CA839883A
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Appareils et procedes mis en oeuvre pour le triage de produits de granulometries variables a l'aide de sources de radiations
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CA825104A
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Procede d'extraction de metaux des roches ou des minerais a tres faibles teneurs
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CA844411A
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Jig a concentration localisee
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CA832114A
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Procede et appareil de determination de la resistivite electrique du sous-sol par ondes electromagnetiques de surface
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