4. Chemistry of inorganic compounds
  5. Treating mixture to obtain metal containing compound
  6. Group iiia metal or beryllium

George C. Johnson

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Hanger apparatus for electrical conduit and the like

Supports – Pipe or cable – Brackets
Patent

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Liquefaction of coal

Mineral oils: processes and products – Phenolic or toxic oils
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Ore beneficiation process

Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Selective differentiation
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Phosphate ore recovery

Classifying – separating – and assorting solids – With heat treatment
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Process for deasphalting hydrocarbon oils

Mineral oils: processes and products – Fractionation – Deasphalting
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Profile ID: LFUS-PAI-P-790052

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