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Application filed by Vitezslav Spidlen, Bozetech Ing Csc Sula, Zdenek Ing Cudlin, Lubomir Ing Pipal, Vaclav Ing JankafiledCriticalVitezslav Spidlen
Priority to CS843216ApriorityCriticalpatent/CS240861B1/en
Publication of CS321684A1publicationCriticalpatent/CS321684A1/en
Publication of CS240861B1publicationCriticalpatent/CS240861B1/en