Browsing by Author 장현삼

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Patent벤더를 이용한 크로스홀형 탄성파 시험 방법

10-2006-0047759 (2006.05.26) / 10-0763955 (2007.09.28)

Patent인홀형 탄성파 시험용 계측장치

10-2006-0047757 (2006.05.26) / 10-0756892 (2007.09.03)

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