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Priority claimed from SE8300173Aexternal-prioritypatent/SE434936B/en
Application filed by Alf Ivan Johansson, Bengt Robert RosendahlfiledCriticalAlf Ivan Johansson
Application grantedgrantedCritical
Publication of ATE20865T1publicationCriticalpatent/ATE20865T1/en
AT84900548T1983-01-141984-01-13
DEVICE FOR PERFORMING ADJUSTABLE CHANGE OF FRICTION BETWEEN WHEELS OF A CARRIAGE AND SUBSTRUCTURE ABOUT ONE WAY.
ATE20865T1
(en)