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Application filed by Tomas Ing Zdansky, Viktor KloudafiledCriticalTomas Ing Zdansky
Priority to CS842945ApriorityCriticalpatent/CS243027B1/en
Publication of CS294584A1publicationCriticalpatent/CS294584A1/en
Publication of CS243027B1publicationCriticalpatent/CS243027B1/en