| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 19520.4-2004 | English | 599 |
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Days<=3
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Part 4 of the electronic equipment mechanical structure 482.6mm (19in) series of mechanical structure size: Sub-racks and plug-in additional dimensions
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GB/T 19520.4-2004
| Obsolete |
GB/T 19520.4-2004
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