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Priority claimed from DE2044621Aexternal-prioritypatent/DE2044621C3/de
Application filed by Герхард Егер, Манфред Племпель, Карл Гейнц Бюхель, Иностранна фирмаfiledCriticalГерхард Егер
Application grantedgrantedCritical
Publication of SU430551A3publicationCriticalpatent/SU430551A3/ru
Publication of SU430551A1publicationCriticalpatent/SU430551A1/ru