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Application filed by Torsten PerssonfiledCriticalTorsten Persson
Publication of NO761075LpublicationCriticalpatent/NO761075L/no
Publication of NO144827BpublicationCriticalpatent/NO144827B/no
Publication of NO144827CpublicationCriticalpatent/NO144827C/no
B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
B66F17/00—Safety devices, e.g. for limiting or indicating lifting force