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Application filed by Slavkovsky Jan, Jozef Ing Ciz, Tomas Ing TlstovicfiledCriticalSlavkovsky Jan
Priority to CS856943ApriorityCriticalpatent/CS251995B1/en
Publication of CS694385A1publicationCriticalpatent/CS694385A1/en
Publication of CS251995B1publicationCriticalpatent/CS251995B1/en