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Application filed by Roman Lobaz, Jan Dipl Tech Hanus, Otto Ing Walter, Oto TothfiledCriticalRoman Lobaz
Priority to CS829720ApriorityCriticalpatent/CS233372B1/cs
Publication of CS972082A1publicationCriticalpatent/CS972082A1/cs
Publication of CS233372B1publicationCriticalpatent/CS233372B1/cs