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Application filed by Kommunarsk Gorno Metall Inst, Metall Kom Zaporozhstal Im SerfiledCriticalKommunarsk Gorno Metall Inst
Priority to SU864113309ApriorityCriticalpatent/SU1377165A1/en
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Publication of SU1377165A1publicationCriticalpatent/SU1377165A1/en