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Publication of BE660745ApublicationCriticalpatent/BE660745A/xx
H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
H01H3/503—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring making use of electromagnets
