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Application filed by Hauskrecht Peter, Ferdinand Dipl Tech Vavrinec, Jan Mravec, Markusek Julius, Svitek Imrich, Poor RobertfiledCriticalHauskrecht Peter
Priority to CS861809ApriorityCriticalpatent/CS254686B1/en
Publication of CS180986A1publicationCriticalpatent/CS180986A1/en
Publication of CS254686B1publicationCriticalpatent/CS254686B1/en