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Australian Trademark Classification

recuperators for pre-heating combustion air in heating systems by the use of hot flue gas 33484

利用热烟气预热供暖系统中燃烧空气的换热器

Chinese 利用热烟气预热供暖系统中燃烧空气的换热器
English recuperators for pre-heating combustion air in heating systems by the use of hot flue gas
Spanish Recuperadores para el precalentamiento del aire de combustión en sistemas de calefacción mediante el uso de gases de combustión calientes.
Site ref.
33484
Class
11