| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 24339.1-2009 | English | 514 |
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Days<=3
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Railway applications -- Communication, signalling and processing systems -- Part 1: Safety-related communication in closed transmission systems
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GB/T 24339.1-2009
| Obsolete |
GB/T 24339.1-2009
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