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| International Standard Category: Receiving and transmitting equipment |
GB 12449-1990 Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment
以专用连接线方式互连的声音和电视广播发射设备与监控设备之间的接口 ;
| Category No.: | 33.060.20 | Valid Status: | valid |
| Issued Organization: | AQSIQ | Issued Date: | 1990-8-2 |
| Implemented Date: | 1991-5-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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