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Application filed by Hampl Frantisek, Mar Ci Ing Horova, Liska Frantisek, Dedek VaclavfiledCriticalHampl Frantisek
Priority to CS822466ApriorityCriticalpatent/CS238906B1/en
Publication of CS246682A1publicationCriticalpatent/CS246682A1/en
Publication of CS238906B1publicationCriticalpatent/CS238906B1/en