China National Standards

China tracks， GB Standards List

  •  China "tracks，" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 2020-1980 Recording magnetic tape with 9 magnetic tracks， 12.7mm width and 32 lines/mm for informationprocessing exchange
    信息处理交换用9磁道12.7毫米宽32行/毫米记录磁带    		 China National Standards
    tracks，
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