GB/T 1989-1980 Standard PDF file download ; GB/T 1989-1980 Standard english preview version download

GB Standard Code	GB/T 1989-1980
Standard Category	China National Standards
GB Standard English Title	Methods for indication of the 7-bit encoding character set for information processing switching on 12.7 mm magnetic tape
GB Standard Chinese Title	信息处理交换用七位编码字符集在9磁道12.7 毫米磁带上的表示方法
Chinese Version Price	$15 USD per 50 pages
English Translation Price	About $15 per 1 page; Inquire us for detail price

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