IS 9819 Pt.3-1982 Specification for line output converters with television picture tubes (EHT) Part III Type Lot 1H for 470 mm, 510 mm, 590 mm and 610 mm television picture tubes
1982IS 9819 Pt.3-1982 Specification for line output converters with television picture tubes (EHT) Part III Type Lot 1H for 470 mm, 510 mm, 590 mm and 610 mm television picture tubes