GB721675A
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Control system for an impact hammer mill
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GB682785A
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Improvements in or relating to impact hammer mills
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GB464942A
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Improvements relating to feeding devices for animal cages
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GB449350A
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Improvements in the refining of ferrous and non-ferrous metals and alloys
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GB449262A
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Improvements in or relating to hot plates
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GB448176A
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Process of treating animal fodder
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GB420694A
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Improvements in and relating to the refining and casting of non-ferrous metals and alloys
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GB420672A
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Process of refining zinc
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GB403179A
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Process and apparatus for the treatment of waste metal products
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GB382749A
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Production of an aluminium alloy
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GB371201A
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Improvements relating to spring suspension devices for motor road vehicles
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GB356290A
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Electrolytic production of aluminium alloys
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GB370494A
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Process of refining copper
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GB352671A
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Process of purifying or refining non-ferrous metals and alloys
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GB351177A
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Process of purifying or refining non-ferrous metals and alloys
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GB319967A
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Production of an aluminium alloy
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GB302440A
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Production of an aluminium alloy
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GB272326A
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An improved process for purifying or refining aluminium and its alloys
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GB207679A
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Process for the recovery of aluminium
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