| 摘要 |
The invention relates to a high-pressure mercury vapor discharge lamp ( 1 ) with an envelope ( 2 ) made from high-temperature-resistant material, which contains two electrodes ( 12, 13 ) made from tungsten and a filling in a discharge space ( 14 ), which filling essentially consists of mercury, rare gas, and a halogen that is free in the operating condition. According to the invention, the envelope ( 2 ) has a second space ( 15, 16 ).
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