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Application filed by Mattausch Pavel, Novotny Ladislav, Novotny FrantisekfiledCriticalMattausch Pavel
Priority to CS887189ApriorityCriticalpatent/CS270094B1/en
Publication of CS718988A1publicationCriticalpatent/CS718988A1/en
Publication of CS270094B1publicationCriticalpatent/CS270094B1/en