| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 6550-1986 | English | 489 |
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Days<=3
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Information processing. 9-track, 12.7mm wide magnetic tape for information interchange recorded at 63rpmm, phase encoded
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GB/T 6550-1986
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GB/T 6550-1986
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