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Application filed by М.Н. НикитинfiledCriticalМ.Н. Никитин
Priority to SU29395ApriorityCriticalpatent/SU12401A1/ru
Application grantedgrantedCritical
Publication of SU12401A1publicationCriticalpatent/SU12401A1/ru
Un procedimiento y su correspondiente aparato, para conseguir que las películas y papeles fotográficos se mantengan verticalmente durante la operación de revelado, fijado y lavado.