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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29/00
Variable transformers or inductances not covered by group H01F21/00
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H01F29/02
with tappings on coil or winding; with provision for rearrangement or interconnection of windings
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