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Application filed by Novak Lubomir, Miroslav Ing Pavelka, Prochazka Karel, Tersl VladimirfiledCriticalNovak Lubomir
Priority to CS843466ApriorityCriticalpatent/CS243820B1/cs
Publication of CS346684A1publicationCriticalpatent/CS346684A1/cs
Publication of CS243820B1publicationCriticalpatent/CS243820B1/cs