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Application filed by Frantisek Kucera, Prudilova MarcelafiledCriticalFrantisek Kucera
Priority to CS875124ApriorityCriticalpatent/CS265955B1/en
Publication of CS512487A1publicationCriticalpatent/CS512487A1/en
Publication of CS265955B1publicationCriticalpatent/CS265955B1/en