Magnesium vapor discharge lamp
Magnesium vapor discharge lamp
Manufacturing improvement for xenon arc lamp
Material for converting ultraviolet ray and display device...
Materials and methods for application of conducting members...
Means for applying conducting members to arc tubes
Means for supporting and sealing the lead structure of a lamp
Means for supporting and sealing the lead structure of a lamp an
Mechanical shunt for use in a socket in a string of lights
Mercury and lead free high pressure sodium lamp
Mercury discharge lamp of the short arc type
Mercury free discharge lamp with zinc iodide
Mercury free high-pressure metal halide discharge lamp
Mercury free metal halide lamp
Mercury free metal halide lamp
Mercury free tin halide compositions and radiation sources...
Mercury lamp of the short arc type
Mercury 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 and UV emission device