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Application filed by Cervena Irena, Jilek Jiri, Josef Pomykacek, Protiva MiroslavfiledCriticalCervena Irena
Priority to CS85515ApriorityCriticalpatent/CS243589B1/en
Publication of CS51585A1publicationCriticalpatent/CS51585A1/en
Publication of CS243589B1publicationCriticalpatent/CS243589B1/en