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Publication date
Application filed by Cervena Irena, Jilek Jiri, Protiva Miroslav, Josef PomykacekfiledCriticalCervena Irena
Priority to CS85514ApriorityCriticalpatent/CS243588B1/en
Publication of CS51485A1publicationCriticalpatent/CS51485A1/en
Publication of CS243588B1publicationCriticalpatent/CS243588B1/en