作者: Friedrich J. De Haan administrator by , Wilhelmus C. der Kinderen
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摘要: The high-pressure gas discharge lamp according to the invention has electrodes comprising a rod of mainly tungsten and helical winding near tip rod. first layer turns, which is integral with second turns. turns are wound torsion in wire surround also torsion. direction turn equal extends around As result, tight fit their substrate securely fixed ot electrode