H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01Q
ANTENNAS, i.e. RADIO AERIALS
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Details of, or arrangements associated with, antennas
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H01Q1/36
Structural form of radiating elements, e.g. cone, spiral, umbrella;; Particular materials used therewith
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H01Q1/364
using a particular conducting material, e.g. superconductor
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