| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 4958.9-1988 | English | 559 |
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Days<=3
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Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Mesurements for sub-systems. Section Nine: Stand-by channel switching equipment
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GB/T 4958.9-1988
| Obsolete |
GB/T 4958.9-1988
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