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ES206A1879-01-111879-01-11Mejoras en la fabricación de tapones para botellas que hayan de contener líquidos, gaseosos o mezclados con aire.
ExpiredES206A1
(es)
?método para fazer uma membrana de peneira molecular de carbono, processo para separar uma molécula de gás de uma alimentação de gás, e, membrana e módulo de peneira molecular de carbono?
processo para concentração de pelo menos um produto químico de misturas liquidas ou gasosas utilizando uma membrana composta de fluorpolímero e partículas de sílica hidrofóbicas
Sistema de aparato para ventilar, purificar y desinfectar el aire mezclándolo con gases o vapores, enfriarlo o calentarlo y distribuirlo convenientemente según sea necesario.