| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 7514-1987 | English | 279 |
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Days<=3
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Conversion between the 7-bit coded character set for information processing interchange and the 5-unit code for the telegraph service
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GB/T 7514-1987
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GB/T 7514-1987
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