Color picture tube having spring supports for a mask-frame assem
Color picture tube mask frame
Color picture tube provided with an inner magnetic shield
Color picture tube shadow mask
Color picture tube shadow mask having a column-to-column...
Color picture tube shadow mask having improved mask aperture pat
Color picture tube shadow mask material
Color picture tube shadow mask material
Color picture tube using a thermal deformation member
Color picture tube with a shadow mask support member
Color picture tube with a tension mask
Color picture tube with an electron shield
Color picture tube with curved shadow mask
Color picture tube with internal funnel shaped magnetic shield
Color picture tube with iron-nickel alloy shadow mask
Color picture tube with mounting structure for a shadow mask
Color picture tube with reduced primary and secondary moire
Color picture tube with shadow mask
Color picture tube with shadow mask
Color picture tube with shadow mask having alternately displaced