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Application filed by Jindrich Houzvicka, Mokry JozeffiledCriticalJindrich Houzvicka
Priority to CS85291ApriorityCriticalpatent/CS251354B1/en
Publication of CS29185A1publicationCriticalpatent/CS29185A1/en
Publication of CS251354B1publicationCriticalpatent/CS251354B1/en