Electric lamp provided with an interference filter

Electric lamp vessel having a mirror coating with a sharply defi

Electric lamp with absorbing and interference media

Electric lamp with adhesion layer and interference layer

Electric lamp with ceramic reflector

Electric lamp with flexible cover holder

Electric lamp with light-absorbing medium and interference film

Electric lamp with neodymium oxide vitreous coating

Electric lamp with opaque cap, particularly halogen cycle, dual

Electric lamp, base for use therewith and method of assembling s

Electric lamp/reflector unit

Electric reflector lamp

Electric reflector lamp

Electric reflector lamp

Electric reflector lamp

Electric reflector lamp

Electric reflector lamp

Electric reflector lamp

Electric reflector lamp for use with IEC standard

Electrically controllable color conversion cell