Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
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4/00
Fixed capacitors; Processes of their manufacture
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H01G4/20
using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
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H01G4/206
inorganic and synthetic material
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