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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0032382UpriorityCriticalpatent/ES32382Y/es
Publication of ES32382UpublicationCriticalpatent/ES32382U/es
Application grantedgrantedCritical
Publication of ES32382YpublicationCriticalpatent/ES32382Y/es
ES0032382U1952-08-271952-08-27Aparato para precalentar el agua de alimentación de las calderas de vapor, utilzando el vapor trabajado
ExpiredES32382Y
(es)