Low-pressure mercury vapor discharge lamp and...

Low-pressure mercury-vapor discharge lamp having electrode...

Mercury and lead free high pressure sodium lamp

Mercury discharge lamp of the short arc type

Mercury lamp of the short arc type and method for operation ther

Mercury lamp of the short arc type having specific...

Metal halide discharge lamp

Metal halide discharge lamp with a long service life

Metal halide fill for an electric high pressure discharge...

Metal halide high pressure discharge lamp

Metal halide high-pressure discharge lamp with a fill containing

Metal halide lamp

Metal halide lamp

Metal halide lamp

Metal halide lamp of the short arc type

Metal halide lamp with electrodes having a curved surface...

Metal halide lamp with pleated luminous tube envelope

Metal halide lamp with reduced quartz devitrification comprising

Metal vapor discharge lamp

Metal vapor discharge lamp with heat insulator and starting aid