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• 휴대용 디지털 초음파 플로디텍터 Ultrasonic Flaw Detector <RFD660 > 제품을 소개합니다! Portable Digital Ultrasonic Flaw Detector RFD660 with metal shell Ultrasonic Flaw Detector 모델명 : RFD660 Automated calibration,Automated gain * DAC,AVG,B scan,6dB DAC * High-speed capture and very low noise blog.naver.com · 2019.10.29