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Application filed by Burysek Frantisek, Jiri Vogel, Hortlik FrantisekfiledCriticalBurysek Frantisek
Priority to CS877834ApriorityCriticalpatent/CS271010B1/en
Publication of CS783487A1publicationCriticalpatent/CS783487A1/en
Publication of CS271010B1publicationCriticalpatent/CS271010B1/en