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Application filed by Petr Rojicek, Jindrich Drimal, Osvald Ing PohlfiledCriticalPetr Rojicek
Priority to CS845639ApriorityCriticalpatent/CS243043B1/cs
Publication of CS563984A1publicationCriticalpatent/CS563984A1/cs
Publication of CS243043B1publicationCriticalpatent/CS243043B1/cs
CS845639A1984-07-231984-07-23Přídavná zařízení mechanizované porubové výztuže k zajištění a ochraně pracovního prostoru na přechodu porub - chodba
CS243043B1
(cs)