GB666702A
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Improvements relating to conveyors
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GB662144A
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Set-screws for clamping tools and other articles
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GB532981A
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Improvements in or relating to compressed air engines for jigging conveyors
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GB525776A
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Improvements in or relating to mining methods and machinery
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GB523854A
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Improvements in or relating to roller assemblies for supporting conveyor belts and the like
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GB523545A
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Improvements in or relating to mining machines
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GB507892A
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Improvements in or relating to connecting means for jigging conveyers
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GB510303A
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Improvements in or relating to mining machine cutter chains and picks therefor
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GB472455A
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Improvements in and relating to jigger conveyors
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GB454781A
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Improvements in endless conveyors of the scraper and trough type
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GB455772A
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Improvements in and relating to jigger conveyors
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GB446235A
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Improvements in connecting means for the troughs of scraper conveyors
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GB447656A
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Improvements in and relating to jigger conveyor mechanisms
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GB432522A
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Improvements in and relating to the lubrication of coal cutting chains
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GB438304A
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Improvements in and relating to shaking conveyors
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GB442965A
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Improvements in and relating to coal-cutting machines
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GB418634A
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Improvements in and relating to jigger conveyors
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GB414981A
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Improvements in and relating to feed mechanisms for coal cutting machines
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GB398134A
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Improvements in and relating to jigger conveyors
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GB396332A
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Improvements in and relating to jigger conveyors
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