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Priority to ES157859ApriorityCriticalpatent/ES157859A1/es
Publication of ES157859A1publicationCriticalpatent/ES157859A1/es
ES157859A1942-07-101942-07-10Un dispositivo enriquecedor de gas pobre a base de acetileno adaptable a cualquier gasógeno de carbón o leña
ExpiredES157859A1
(es)