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Application filed by Oldrich Ing Vyjidak, Peter Rndr OrszaghfiledCriticalOldrich Ing Vyjidak
Priority to CS846803ApriorityCriticalpatent/CS240328B1/en
Publication of CS680384A1publicationCriticalpatent/CS680384A1/en
Publication of CS240328B1publicationCriticalpatent/CS240328B1/en