Base and terminal-pin assembly for an electric lamp
Base and terminal-pin assembly for electric lamps and similar de
Base for compact fluorescent lamp
Base for electrodeless discharge lamp
Base for low pressure discharge lamps
Base for single pin elongated lamp
Baseless cartridge lamp and socket therefor
Baseless incandescent lamp assembly
Bi-fitted incandescent electric light bulbs with internal electr
Bulb-form lamp and its manufacturing method
Bulb-form lamp and its manufacturing method