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MY6200062A
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Improvements in or relating to sliding clasp fasteners
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FI27631A
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The way to remove other metals in iron ores and the like by chlorination by distillation
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FR1142340A
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Further training in metal constructions
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Improvements in metal refining processes
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Improvements to alloys exhibiting the phenomenon of magnetostriction
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Procedure for the chlorination of impurities in iron ores
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FR1204383A
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Improvements to clothing fasteners
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Improvement in sizing agents
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Improvements to metal sheet fasteners
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Improvements to press studs for clothing and the like
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CH376276A
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Iron alloy
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Improvement in protective clothing covers
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Metal smelting and refining
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Steel alloy
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Improvements in metal refining processes
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MY6500092A
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Improvements in or relating to the defining of crude iron
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Steel alloys
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Improvements in processes to improve ores
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CA554003A
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Methods for the concentration of iron ore
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GB748325A
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Improvements relating to shopping baskets and the like
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Improvement in wheelbarrow construction
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Ore concentration tables
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FR1125925A
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Improvements in the processing of titaniferous ores
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CA548508A
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Reduction of iron ores
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FR1200821A
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Improvements in the processing of potash ores
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