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Application filed by Hajicek Josef, Pavel Pihera, Krepelka Jiri, Cvak Ladislav, Stuchlik Josef, Elis Tomas, Spacil Jiri, Souhrada Josef, Zdenek SindlarfiledCriticalHajicek Josef
Priority to CS894262ApriorityCriticalpatent/CS426289A1/en
Publication of CS426289A1publicationCriticalpatent/CS426289A1/en