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| International Standard Category: Data communication networks |
GB/T 12640-1990 Methods of measurement for the digital microwave radio relay communication equipments
数字微波接力通信设备测量方法;
| Category No.: | 33.040.40 | Valid Status: | valid |
| Issued Organization: | CSBTS | Issued Date: | 1990-1-2 |
| Implemented Date: | 1991-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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