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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QB/T 4327-2012 |
General technical requirements of amplifier for electronic keyboards 键盘乐器用音箱通用技术条件 |
China Light Industry
Standards keyboard |
 English PDF |
| QB/T 4131-2010 |
Series of key width measurements for keyboard musical instrument 键盘乐器键宽尺寸系列 |
China Light Industry
Standards keyboard |
English PDF |
| QB/T 4015-2010 |
General technical requirements of MIDI keyboard midi键盘通用技术条件 |
China Light Industry
Standards keyboard |
English PDF |
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