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Application filed by Novak Jiri, Vladimir Ing Csc Zvonar, Milan Kudrna, Radomir Ing BlazekfiledCriticalNovak Jiri
Priority to CS864028ApriorityCriticalpatent/CS255704B1/en
Publication of CS402886A1publicationCriticalpatent/CS402886A1/en
Publication of CS255704B1publicationCriticalpatent/CS255704B1/en