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Application filed by Bruncko Milan, Vladinir Ing Polak, Gustav Ing Pernecky, Vladimir Ing OravecfiledCriticalBruncko Milan
Priority to CS862909ApriorityCriticalpatent/CS253440B1/en
Publication of CS290986A1publicationCriticalpatent/CS290986A1/en
Publication of CS253440B1publicationCriticalpatent/CS253440B1/en