Multibeam electron gun having means for positioning a screen gri
Multibeam electron gun having means for supporting a screen grid
Multibeam electron gun with composite electrode having plurality
Multicolor complex type cathode-ray tube for use as light source
Multiple beam cathode ray tube having reduced off-axis aberratio
Multiple beam cathode ray tube with apertured cathode and contro
Multiple electrode support members with low coefficient of expan
Multiple electron beam cathode ray tube
Multiple sheet beam gridded electron gun
Multistep focusing electron gun for cathode ray tube
Multistep focusing electron gun for cathode ray tube