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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 18121-2000 |
Audio visual，video and television equipment and systems--Video tape leader and trailer for education and training applications 视听、视频及电视设备和系统 教育和训练用录像磁带的引带和尾带 |
China National Standards Audio visual，video television |
 English PDF |
| GB/T 16610-1996 |
Audio-visual，video and television equipment and systems--Control systems for two still projectors operating practice 视听、视频和电视设备与系统双幻灯机控制系统操作规程 |
China National Standards Audio visual，video television |
English PDF |
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