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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 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 |
China National Standards Interface using dedicated |
 English PDF |
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