Thyratrons
Transparent polycrystalline alumina and high pressure vapor disc
Tube with bonded cathode and electrode structure and getter
Tubular plasma display seal design
Tungsten halogen incandescent lamp having two pairs of leads in
Tungsten halogen lamp
Tungsten halogen lamp
Tungsten halogen lamp for headlights
Tungsten halogen lamp having lead-in wire comprising tantalum al
Tungsten-fluorine lamp with native retained oxygen therein and m