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Publication date
Application filed by Leopold Ing Domcik, Jiri Ing DokoupilfiledCriticalLeopold Ing Domcik
Priority to CS848002ApriorityCriticalpatent/CS244391B1/en
Publication of CS800284A1publicationCriticalpatent/CS800284A1/en
Publication of CS244391B1publicationCriticalpatent/CS244391B1/en