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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H01F7/206
Electromagnets for lifting, handling or transporting of magnetic pieces or material
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H01F2007/208
combined with permanent magnets
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