| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GYJ 28-1987 | English | 519 |
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Days<=3
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Specifications for construction of broadcast and television microwave projects
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GYJ 28-1987
| Obsolete |
GYJ 28-1987
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