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: U.4 (11/88) |
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| U.4 : Exchange of information regarding signals destined to be used over international circuits concerned with switched teleprinter networks
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Recommendation U.4 (11/88)
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Approved in 1988-11-25
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Status : In force
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Access : Freely available items
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Available languages and formats :
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Click on the selected format
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Format |
Size |
Posted |
Article Number |
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| English |
 PDF (acrobat)
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48140 bytes |
1990-04-19 |
E 15365 |
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| Español |
PDF (acrobat)
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54271 bytes |
1990-04-19 |
S 15365 |
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| Français |
PDF (acrobat)
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54438 bytes |
1990-04-19 |
F 15365 |
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Available languages and formats :
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