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Application filed by В.Н. ЕгоровfiledCriticalВ.Н. Егоров
Priority to SU29960ApriorityCriticalpatent/SU10776A1/ru
Application grantedgrantedCritical
Publication of SU10776A1publicationCriticalpatent/SU10776A1/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.