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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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Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
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H01F1/01
of inorganic materials
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H01F1/03
characterised by their coercivity
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H01F1/0302
characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
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H01F1/0311
Compounds
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H01F1/0313
Oxidic compounds
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H01F1/0315
Ferrites
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