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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QB/T 4491-2013 |
General specification for external power supplies of electrophones musical instruments 电鸣乐器电源适配器通用技术条件 |
China Light Industry
Standards General specification music |
 English PDF |
| QB/T 4490-2013 |
Electrophones musical instruments playback equipment. General specification for pedal controller 电鸣乐器放音设备 踏板控制器通用技术条件 |
China Light Industry
Standards General specification music |
English PDF |
| QB/T 1817-2010 |
General specification for music instrument strings 琴弦通用技术条件 |
China Light Industry
Standards General specification music |
English PDF |
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