China National Standards

China Two track photographic GB Standards List

  •  China "Two track photographic" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 13999-1992 Two-track photographic soundrecords on 35mm motion-picture prints--Positions and width dimensions
    35mm电影拷贝上光学双声迹的位置和宽度尺寸    		 China National Standards
    Two track photographic
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