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Application filed by Matula Jan, Frantisek Ing Pekarek, Novotny Stanislav, Jiri Ing Dengl, Emil Ing Csc Dzierza, Lubomir Ing Schellong, Jiri Ing GottweisfiledCriticalMatula Jan
Priority to CS845240ApriorityCriticalpatent/CS253062B1/en
Publication of CS524084A1publicationCriticalpatent/CS524084A1/en
Publication of CS253062B1publicationCriticalpatent/CS253062B1/en