| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 11589-1999 | English | 719 |
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Days<=5
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International user classes of service in, and categories of access to, public data networks and integrated services digital networks (ISDNs)
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GB/T 11589-1999
| Obsolete |
GB/T 11589-1999
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