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Application filed by Otakar Ing Turek, Milan HarnafiledCriticalOtakar Ing Turek
Priority to CS869152ApriorityCriticalpatent/CS265915B1/en
Publication of CS915286A1publicationCriticalpatent/CS915286A1/en
Publication of CS265915B1publicationCriticalpatent/CS265915B1/en