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GB140972A
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Improvements in furnaces for burning low grade fuel
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AU830207B
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An improved means of treating ores containing iron and associated metals, so thatthe iron may subsequently be removed by magnetic separation
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AU694306B
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An improved process for removing sulphur, arsenic andother like impurities from refractory ores and preparing thesame for subsequenttreatment
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AU622306B
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A portable winch with folding' supports
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AU438205B
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An improved apparatus for burning liquid fuel in conjunction with steam
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AU389605B
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An improved apparatus forthe utilization of carbonaceous liquids as fuel
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AU278605B
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An improved apparatus for burning liquid fuel in conjunction with steam
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AU202704B
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An improved furnace for destruction of garbage and for other purposes
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