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Application filed by А.Т. КачугинfiledCriticalА.Т. Качугин
Priority to SU5359ApriorityCriticalpatent/SU66256A1/en
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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
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Отв. редактор В. Н. КостровEd. editor V.N. Kostrov
А02854. Подппеано к нечатн 27./III-1948 г. Тираж 500 экз. Цена 65 к. Зак. 305 Тнпографн Госпланиздата им. Воровского, КалугаA02854. Podppeano to nechatn 27./III-1948, the circulation of 500 copies. Price 65 k. Zak. 305 npografn Gosplanizdat them. Vorovskogo, Kaluga
Техн. редактор Г. Ф. СоколоваTech. editor G.F. Sokolova