H02K 21/34
Having bell-shaped or bar-shaped magnets
Official title: having bell-shaped or bar-shaped magnets, e.g. for cycle lighting (with homopolar co-operation H02K21/36)
H02K21/34 (Having bell-shaped or bar-shaped magnets) appears on 1 US grants and 2 published applications in this corpus.
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- 3 Mar 2020
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