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Application filed by Jiri Navratil, Josef Ing Kubicek, Zdenek Ing MiculkafiledCriticalJiri Navratil
Priority to CS843981ApriorityCriticalpatent/CS240886B1/cs
Publication of CS398184A1publicationCriticalpatent/CS398184A1/cs
Publication of CS240886B1publicationCriticalpatent/CS240886B1/cs