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Application filed by Stanislav Ing Malinak, Jan Ing ReichfiledCriticalStanislav Ing Malinak
Priority to CS887422ApriorityCriticalpatent/CS271162B1/en
Publication of CS742288A1publicationCriticalpatent/CS742288A1/en
Publication of CS271162B1publicationCriticalpatent/CS271162B1/en