4. B - Operations, Transporting
  5. 03
  6. D

Hydrochem Developments Ltd.

B - Operations – Transporting – 03 – D

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Country: Canada

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Flotation apparatus

B - Operations – Transporting – 03 – D
Patent

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Flotation apparatus

B - Operations – Transporting – 03 – D
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Oxidation process

C - Chemistry – Metallurgy – 22 – B
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Process for recovering gold from refractory sulfidic ores

B - Operations – Transporting – 03 – D
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