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H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F29/00—Variable transformers or inductances not covered by group H01F21/00
H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
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Engineering & Computer Science
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Power Engineering
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Electric Propulsion And Braking For Vehicles
(AREA)
FR366578A1905-06-121906-05-25Système de connexion pour distribution de courants alternatifs à voltage variable
ExpiredFR366578A
(fr)