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Application filed by Bedrich Krizka, Karol Ing KudlejfiledCriticalBedrich Krizka
Priority to CS864794ApriorityCriticalpatent/CS256194B1/cs
Publication of CS479486A1publicationCriticalpatent/CS479486A1/cs
Publication of CS256194B1publicationCriticalpatent/CS256194B1/cs