Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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61/00
Gas-discharge or vapour-discharge lamps
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H01J61/04
Electrodes; Screens; Shields
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H01J61/073
for high-pressure discharge lamps
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H01J61/0732
characterised by the construction of the electrode
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