Electric discharge lamp
Electric lamp
Electric lamp
Electric lamp
Electric lamp and glass composition
Electric lamp and holder for such a lamp
Electric lamp and seal structure therefor
Electric lamp having a protective skin on end portions of the cu
Electric lamp having current conductors with a metal phosphide c
Electric lamp having lamp vessel with improved pinch seal
Electric lamp having pinch a seal with primary foils arranged be
Electric lamp having seals with metal foil therein
Electric lamp which is closed on two sides
Electric lamp which is closed on two sides
Electric lamp with H-shaped pinched seal
Electric lamp with high and low melting point current supply con
Electric lamp with metal shell
Electric lamp with pinch sealed outer conductor of non-highly re
Electric lamp with seals at plastically deformed current...
Electric lamp with SiO.sub.2 vessel and seal therefor