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Application filed by А.И. Баумштейн, Г.Я. ВолохонскийfiledCriticalА.И. Баумштейн
Priority to SU335ApriorityCriticalpatent/SU64702A1/ru
Application grantedgrantedCritical
Publication of SU64702A1publicationCriticalpatent/SU64702A1/ru
Отв. редактор Д. А. Михайлов Л149963 Подписано к печати 26Х1 lS46r. Типографи Госпланиздата, Техн. редактор М. В. Смоль кова Тираж 500 экз. Цена 65 коп. Зак. 325 им. Воровского, Калуга