Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01B
CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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17/00
Insulators or insulating bodies characterised by their form
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H01B17/50
with surfaces specially treated for preserving insulating properties, e.g. for protection against moisture, dirt, or the like
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