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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SJ/T 11117-1997 |
Graphical symbols for use on equipment in audio, video and audio-visual system 音频、视频及视听系统设备用图形符号 |
China Electronics
Standards Graphical symbols use |
 English PDF |
| SH/T 3072-1995 |
Graphical and letter symbols to be used in electrical diagrams for petrochemical enterprises |
China Petrochemical Industry
Standards Graphical symbols use |
English PDF |
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