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Application filed by Ctefan Ing Cevcik, Bartko Michal, Mickerts ErvinfiledCriticalCtefan Ing Cevcik
Priority to CS85967ApriorityCriticalpatent/CS245337B1/en
Publication of CS96785A1publicationCriticalpatent/CS96785A1/en
Publication of CS245337B1publicationCriticalpatent/CS245337B1/en