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Application filed by Ludovit Ing Csc Salko, Krempasky Bohdan, Gerza JozeffiledCriticalLudovit Ing Csc Salko
Priority to CS845834ApriorityCriticalpatent/CS242169B1/en
Publication of CS583484A1publicationCriticalpatent/CS583484A1/en
Publication of CS242169B1publicationCriticalpatent/CS242169B1/en