Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Related Standard | Status | PDF |
YD 336-1988 | English | 359 |
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3 days [Need to translate]
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Digital Line Signalling for Manual Toll Exchange to Local Exchange
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YD 336-1988
| Obsolete |
YD 336-1988
|