| 摘要 |
An electric lamp, especially energy saving lamp, comprising a discharge tube, a lamp head or socket extending into a rear cover in which an electronic ballast for operating a discharge tube is arranged at least partly, said lamp head having a first and second contact connected to the ballast, and the lamp head comprises a screw plastic part covered at the external surface with a layer of conductive metal film providing the first contact, a contact-point plastic part connected to the end of the screw plastic part, and a metal contact-point fixed at the center of the rear end of the contact-point plastic part providing the second contact.
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