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Screen for use in oscillating screening devices
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Sieving device
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Sieves for sludge draining
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Device for draining a mass of sludge
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Screen bottoms
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Screen for use in oscillating screening devices
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Improvements in or relating to sieves
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Improvements in and relating to methods of jigging granular materials
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Improvements relating to screening or filtering apparatus
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Installation for dewatering slimes
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