Liquid coating compositions that include a compound formed from at least one polyfunctional isocyanurate, related multi-layer composite coatings, methods and coated substrates
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Slurry mixing apparatus with dry powder conveyer
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Method and apparatus for drying sludge using movable plates
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Horizontal plate filter with self-aligning plates
CA1141675A
Filter media mover for plate type filter
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Plate and frame type filtering apparatus
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Liquid filtering apparatus
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Automatic control for chlorine feed
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Liquid filtering device
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Automatic device for controlling feed of aids to filtration