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Application filed by Lichvar Milan, Ambroz Frantisek, Filip Bohumil, Kolesar Jan, Andrej Rndr Tall, Olejnik Vincent, Drobny Michal, Drahomir Ing Csc Vodova, Pavol Ing Hudec, Ing GalovicaloizfiledCriticalLichvar Milan
Priority to CS846840ApriorityCriticalpatent/CS240329B1/en
Publication of CS684084A1publicationCriticalpatent/CS684084A1/en
Publication of CS240329B1publicationCriticalpatent/CS240329B1/en