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Application filed by Karol Ing Tomasch, Milan Ing OndrisfiledCriticalKarol Ing Tomasch
Priority to CS878755ApriorityCriticalpatent/CS270864B1/en
Publication of CS875587A1publicationCriticalpatent/CS875587A1/en
Publication of CS270864B1publicationCriticalpatent/CS270864B1/en