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Application filed by Milos Ing Foretek, Jaroslav Rndr Patal, Josef RulffiledCriticalMilos Ing Foretek
Priority to CS875870ApriorityCriticalpatent/CS267218B1/en
Publication of CS587087A1publicationCriticalpatent/CS587087A1/en
Publication of CS267218B1publicationCriticalpatent/CS267218B1/en