Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01F
MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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H01F7/06
Electromagnets; Actuators including electromagnets
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H01F7/202
Electromagnets for high magnetic field strength
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H01F7/204
Circuits for energising or de-energising
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