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Application filed by Cobirka Jan, Jozef Ing Guspan, Peter Ing BauernfeindfiledCriticalCobirka Jan
Priority to CS845790ApriorityCriticalpatent/CS241597B1/en
Publication of CS579084A1publicationCriticalpatent/CS579084A1/en
Publication of CS241597B1publicationCriticalpatent/CS241597B1/en