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Application filed by Vesely Petr, Lev Jelinek, Vit Ing Fridrich, Revus Milos, Mikulec Jozef, Viclav Ing Marecek, Kopernicky IvanfiledCriticalVesely Petr
Priority to CS814470ApriorityCriticalpatent/CS231265B1/en
Publication of CS447081A1publicationCriticalpatent/CS447081A1/en
Publication of CS231265B1publicationCriticalpatent/CS231265B1/en