로크웰경도기 사용방법
Video Statistics and Information
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Channel: 측정성재
Views: 7,667
Rating: undefined out of 5
Keywords: 측정, 정밀측정, 재료시험, 로크웰경도기, 경도계, HRBHRC
Id: 8BDJH5V6Hcc
Channel Id: undefined
Length: 4min 1sec (241 seconds)
Published: Tue Jul 14 2020
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