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Application filed by Milan Popelka, Mirko Popelka, David Karel, Frantisek BencfiledCriticalMilan Popelka
Priority to CS865495ApriorityCriticalpatent/CS265106B1/en
Publication of CS549586A1publicationCriticalpatent/CS549586A1/en
Publication of CS265106B1publicationCriticalpatent/CS265106B1/en