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Application filed by Josef Ing Lacina, Stanislav Ing Kocar, Lubomir Svozil, Zdenek Sestak, Rudolf Ing Vondra, Soukenik Josef, Jiri Ing MitekfiledCriticalJosef Ing Lacina
Priority to CS881508ApriorityCriticalpatent/CS270990B1/en
Publication of CS150888A1publicationCriticalpatent/CS150888A1/en
Publication of CS270990B1publicationCriticalpatent/CS270990B1/en