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Application filed by Oerlikon Buehrle AgfiledCriticalOerlikon Buehrle Ag
Priority claimed from EP83101064Aexternal-prioritypatent/EP0087027B1/de
Publication of PL239780A1publicationCriticalpatent/PL239780A1/xx
Publication of PL137475B1publicationCriticalpatent/PL137475B1/pl
Apparatus for automatically controlling the braking force of an electromagnetic and/or friction shoe brake being engaged steplessly by shifted or rotated permanent magnets