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Application filed by Antonin Ing Faldyna, Karel Ing TurinskyfiledCriticalAntonin Ing Faldyna
Priority to CS836187ApriorityCriticalpatent/CS234070B1/en
Publication of CS618783A1publicationCriticalpatent/CS618783A1/en
Publication of CS234070B1publicationCriticalpatent/CS234070B1/en