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- 27 Electric engineering, automation, process control engineering
- 27-26 Component (electronic)
- 27-26-23 Quartz crystal unit and filter
- 27-26-23-01 Quartz crystal unit at kHz band
- 27-26-23-02 Quartz crystal unit at MHz band
- 27-26-23-03 1-port SAW resonator
- 27-26-23-04 2-port SAW resonator
- 27-26-23-05 Crystal filter
- 27-26-23-90 Quartz crystal unit and filter (unspecified)
- 27-26-23-91 Quartz crystal unit and filter (parts)
- 27-26-23-92 Quartz crystal unit and filter (accessories)
Classification: 27262300 [AHB671002]
|Preferred name||27-26-23 Quartz crystal unit and filter|
|Definition||piezoelectric device using quartz crystal technology|