Patent classifications
H
ELECTRICITY
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H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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H05B
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
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7/00
Heating by electric discharge
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H05B7/144
Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
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H05B7/148
Automatic control of power
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