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Application filed by Boruta Ivan, Premysl Martinik, Vladimir Ing Sindel, Jiri Ing PuchalskyfiledCriticalBoruta Ivan
Priority to CS882389ApriorityCriticalpatent/CS269161B1/en
Publication of CS238988A1publicationCriticalpatent/CS238988A1/en
Publication of CS269161B1publicationCriticalpatent/CS269161B1/en