Gas injection port structure of flat fluorescent lamp
Gas injection port structure of flat fluorescent lamp
Getter device employing calcium evaporation
Getter flash shield
Getter means and lamp including same
Getter, air tight chamber and image forming apparatus having...
Getter, getter device and fluorescent display device
Getter, getter device and fluorescent display device
Getter-containing glow discharge starter having dual gaps
Glow discharge lamp with auxiliary electrode for mounting getter
Glow discharge lamp with getter material on anode
Glow discharge starter