This standard specifies the classification, technical requirements, test methods, quality assessment rules and marking, packaging, transportation and storage of astigmatism lamps. This standard applies to astigmatism lamps using incandescent lamps, tungsten halogen lamps, and gas discharge lamps as light sources, and whose power supply voltage does not exceed 1000V.
QB/T 2137-1995 history
1995QB/T 2137-1995 Specifications for astigmatism lamps and lanterns for film and television stage