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Surface treatment apparatus for vulcanized rubber products.
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Method of uniformly treating ophthalmic lenses in a chemical treatment solution
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Liquid effluent treatment process and plant
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Proceso al vacio para desodorizacion-refinado fisico de aceites y grasas a traves de la condensacion directa de los vapores
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Waste water treatment
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Chlorine demand: studies concerning its chemical basis
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Method and apparatus for treating aqueous liquids with ozone
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Sewage treatment plant working process and device for injecting phosphates precipitation products
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Dehydrating method of sludge
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Corrected turbidity measuring method for treating agent concentration containing in suspension
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Buffer and method for buffering hot tubs and spas
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Processing of wakame seaweed
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Procedimiento de preparacion de soluciones estables de lipo-proteinas
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A Method for the Evaluation of the Effectiveness of a Quality Control Operation in Activated Sludge Process