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Electrical discharge tube - in particular also in a free, which can be operated luftatmosphaere high pressure - sodium vapor lamp, and halogen vapour lamp - with a device for influencing the temperature distribution of the discharge chamber
Electrical discharge tube - in particular also in a free, which can be operated luftatmosphaere high pressure - sodium vapor lamp, and halogen vapour lamp - with a device for influencing the temperature distribution of the discharge chamber