| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GY/T 4-1982 | English | 279 |
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Days<=3
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Transmission system for microwave relay circuits dedicated to broadcasting and television
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GY/T 4-1982
| Obsolete |
GY/T 4-1982
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