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Application filed by Jan Jindra, Jiri Klima, Jaroslav Ing Moucha, Vera KolomaznikovafiledCriticalJan Jindra
Priority to CS87924ApriorityCriticalpatent/CS261731B1/en
Publication of CS92487A1publicationCriticalpatent/CS92487A1/en
Publication of CS261731B1publicationCriticalpatent/CS261731B1/en