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Lamellar thickener
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Ammonia oxydation reactor with heat recuperating boler and method of cooling the boiler jacket
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Sifting members of a build-up sieve
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Drier drum sealing arrangement
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Device for shuttering reinforced concrete ceiling slabs
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Method of classifying and cleaning granular materials and apparatus therefor
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Radial thickener
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Bucket conveyor
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Conveyor loading hopper unit
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Method of bonding rubber linings to their bases
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