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Application filed by Kvetoslav Dipl Tech Koutny, Ivo Ing NesporfiledCriticalKvetoslav Dipl Tech Koutny
Priority to CS868784ApriorityCriticalpatent/CS261111B1/cs
Publication of CS878486A1publicationCriticalpatent/CS878486A1/cs
Publication of CS261111B1publicationCriticalpatent/CS261111B1/cs