拓展页
Replacement of bellows- Pull-through plate
- Change Keys
- Riveting of parts
- Replace the spring
- Reed replacement
- Valve replacement
- side strap replacement
- Bellows failure
- Replacement of case buckle
- Valve adjustment
- Replace the tray
- Homomorphic Metaphone
- Change the shell wheel
- Harmony main slot
- Bayse is falling apart
- Total pitch change
- Key retention
- Starting frame base
- Keyboard Lever Slot
- Shell plate lap
- Guide slot
- Variable tone moving slide
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- Jaw Button
- Air tightness test
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- Shell drive
