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Application filed by Kazimierz Ing Branny, Zdenek KohutfiledCriticalKazimierz Ing Branny
Priority to CS846515ApriorityCriticalpatent/CS243169B1/en
Publication of CS651584A1publicationCriticalpatent/CS651584A1/en
Publication of CS243169B1publicationCriticalpatent/CS243169B1/en