Ленинградска ордена Ленина лесотехническа академи С. М. Кирова
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Application filed by А. М. Цыпук, С. А. Помогаев, В. А. Якимчук, В. П. Дмитриев, С. Ф. Орлов, Ленинградска ордена Ленина лесотехническа академи С. М. КироваfiledCriticalА. М. Цыпук
Priority to SU1813689ApriorityCriticalpatent/SU435780A2/ru
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Publication of SU435780A2publicationCriticalpatent/SU435780A2/ru