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Application filed by Tibor Doc Ing Csc LiptakfiledCriticalTibor Doc Ing Csc Liptak
Priority to CS863551ApriorityCriticalpatent/CS267753B1/en
Publication of CS355186A1publicationCriticalpatent/CS355186A1/en
Publication of CS267753B1publicationCriticalpatent/CS267753B1/en