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Application filed by Devinsky Ferdinand, Lacko Ivan, Dusan Rndr Csc Mlynarcik, Viera VarosovafiledCriticalDevinsky Ferdinand
Priority to CS843553ApriorityCriticalpatent/CS239430B1/en
Publication of CS355384A1publicationCriticalpatent/CS355384A1/en
Publication of CS239430B1publicationCriticalpatent/CS239430B1/en
Zarizeni k provadeni chemickych a elektrolytickych povrchovych uprav v prutocnych dutinach strojnich soucasti,zejmena ve vyvrtech valcu spalovacich motoru