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Application filed by Miloslav Mares, Pavel Ing Jirsa, Antonin Chmelik, Jaroslav Ing Benes, Jan Ing Michalek, Premysl Ing PtacnikfiledCriticalMiloslav Mares
Priority to CS844260ApriorityCriticalpatent/CS245387B1/en
Publication of CS426084A1publicationCriticalpatent/CS426084A1/en
Publication of CS245387B1publicationCriticalpatent/CS245387B1/en