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Application filed by Bedrich Kust, Josef Ing Horn, Blahoslav Ing Jara, Josef HaasfiledCriticalBedrich Kust
Priority to CS887007ApriorityCriticalpatent/CS269456B1/cs
Publication of CS700788A1publicationCriticalpatent/CS700788A1/cs
Publication of CS269456B1publicationCriticalpatent/CS269456B1/cs