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Application filed by Karel Ing Sestauber, Kudrna Stanislav, Josef Lorenc, Karel Ing Maca, Milan Ingsestauber Karel Maxa, Milan Ing Maxa, Ruzicka Karel, Eduard SvobodafiledCriticalKarel Ing Sestauber
Priority to CS846575ApriorityCriticalpatent/CS240123B1/en
Publication of CS657584A1publicationCriticalpatent/CS657584A1/en
Publication of CS240123B1publicationCriticalpatent/CS240123B1/en