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Application filed by Jilek Jiri, Josef Pomykacek, Cervena Irena, Protiva MiroslavfiledCriticalJilek Jiri
Priority to CS85513ApriorityCriticalpatent/CS243587B1/cs
Publication of CS51385A1publicationCriticalpatent/CS51385A1/cs
Publication of CS243587B1publicationCriticalpatent/CS243587B1/cs