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Application filed by Navrat Emil, Antonin Ing Morcinek, Tomas Ing Wachtarczyk, Mada Zdenek, Miloslav Ing Dvorak, Otto Ing Lizak, Hovorka Jaromir, Olsak Milon, Jaroslav PoskierfiledCriticalNavrat Emil
Priority to CS832487ApriorityCriticalpatent/CS242791B1/cs
Publication of CS248783A1publicationCriticalpatent/CS248783A1/cs
Publication of CS242791B1publicationCriticalpatent/CS242791B1/cs