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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H05B3/10
Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
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H05B3/12
characterised by the composition or nature of the conductive material
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H05B3/14
the material being non-metallic
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H05B3/146
Conductive polymers, e.g. polyethylene, thermoplastics
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