Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01T
SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
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H01T13/40
structurally combined with other devices
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H01T13/44
with transformers, e.g. for high-frequency ignition
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