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Application filed by Svatopluk Ing Nepustil, Josef Ing Cermak, Vaclav Ing Petras, Zdenek Ing KusyfiledCriticalSvatopluk Ing Nepustil
Priority to CS844771ApriorityCriticalpatent/CS243841B1/cs
Publication of CS477184A1publicationCriticalpatent/CS477184A1/cs
Publication of CS243841B1publicationCriticalpatent/CS243841B1/cs