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Application filed by Durinda Jan, Karel Ing Cerny, Ladislav Giczei, Vaclav Petran, Miroslav Ing SimacekfiledCriticalDurinda Jan
Priority to CS862981ApriorityCriticalpatent/CS258215B1/en
Publication of CS298186A1publicationCriticalpatent/CS298186A1/en
Publication of CS258215B1publicationCriticalpatent/CS258215B1/en