206947 ⎘
Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof; Attaching of incandescent bodies to mount Machines therefor
Arrangement and method for mechanically and electrically contacting a glow wire of a thermal radiation source made of refractory metal for semiconductor and microsystem technology
#2Light source bodies for filament tubes and ARC tubes
#3Apparatus and process for finishing light source filament tubes and arc tubes
#4Automated filament attachment system for vacuum fluorescent display