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Application filed by Kvetoslav Ing Babik, Jiri SkupnikfiledCriticalKvetoslav Ing Babik
Priority to CS843671ApriorityCriticalpatent/CS240617B1/en
Publication of CS367184A1publicationCriticalpatent/CS367184A1/en
Publication of CS240617B1publicationCriticalpatent/CS240617B1/en