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Application filed by Sergej V Pankin, Grimitlin Mikhail, Viktor V Pankin, Petr A Ovchinnikov, Gennadij K Osadchij, Evgenij P AgafonovfiledCriticalSergej V Pankin
Priority to SU884408863ApriorityCriticalpatent/SU1543197A1/ru
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Publication of SU1543197A1publicationCriticalpatent/SU1543197A1/ru