31324543audiovisual equipmentPT2026-03-30 20:27:31UF31324550equipment, audiovisualNDUF31324544AV equipmentNDUF31324545audio visual equipmentNDUF31324546audio-visual equipmentNDUF31324547equipment, AVNDUF31324548equipment, audio visualNDUF31324549equipment, audio-visualNDBT31307333equipment by processPTNT31353013projectorsPTNT31353620tape decksPTNT31353622videotape recordersPTNT31353630DVD playersPTNT31348548character generatorsPTNT31353634video monitorsPTNT31353637slide viewersPTRT31359758audiovisual materialsPT