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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SJ 20576-1996 |
General specification for power supplies of announcing system on shipboard 舰船扩声系统电源通用规范 |
China Electronics
Standards General specification announcing |
 English PDF |
| SJ 20575-1996 |
General specification for announcing equipment on shipboard 舰船扩声设备通用规范 |
China Electronics
Standards General specification announcing |
English PDF |
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