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Application filed by Jiri Ing Csc Petruzelka, Hubert Ing Wiesner, Zdenek Ing Bembenek, Pacak Jan, Ivan Ing Hutak, Pavel Ing ValasekfiledCriticalJiri Ing Csc Petruzelka
Priority to CS833884ApriorityCriticalpatent/CS232238B1/en
Publication of CS388483A1publicationCriticalpatent/CS388483A1/en
Publication of CS232238B1publicationCriticalpatent/CS232238B1/en