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Application filed by Mika Josef, Jaroslav Ing Sinecky, Karel Ing Csc BochnicekfiledCriticalMika Josef
Priority to CS838301ApriorityCriticalpatent/CS238347B1/en
Publication of CS830183A1publicationCriticalpatent/CS830183A1/en
Publication of CS238347B1publicationCriticalpatent/CS238347B1/en