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Application filed by Fuchs Petr, Antonin Ing Csc Vavra, Mostecky JirifiledCriticalFuchs Petr
Priority to CS832867ApriorityCriticalpatent/CS244613B1/en
Publication of CS286783A1publicationCriticalpatent/CS286783A1/en
Publication of CS244613B1publicationCriticalpatent/CS244613B1/en