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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9363-1988 |
Information processing--9-Track， 12.7mm (0.5in) wide magnetictape for information interchange--Format and recording，using group coding at 246 cpmm(6250 cpi) 信息处理 信息交换用9磁道12.7mm(0.5in)磁带成组编码方式246 cpmm (6250 cpi) 的格式及记录 |
China National Standards Track， |
 English PDF |
| GB/T 6550-1986 |
Information processing -- 9-Track，127mm wide magnetic tape for information interchange recorded at 63rpmm， phase encoded 信息处理交换用9磁道12.7毫米宽63行/毫米调相制记录磁带 |
China National Standards Track， |
English PDF |
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