60574-20-1988 Audiovisual@ Video and Television Equipment and Systems Part 20: Methods of Measuring and Reporting the Performance of 16 mm Sound Film Projectors (Edition 1.0)
Equipement et systemes audiovisuels@ video et de television Vingtieme partie: Methodes d?evaluatio et caracteristiques fonctionnelles des projecteurs cinematographiques sonores pour films de 16 mm (Edition 1.0)
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