THVS-50數(shù)顯自動(dòng)磚塔維氏硬度計(jì)
(400~500)HV1 ±(4.0~5.0)%
(400~500)HV5 ±3.0%
(700~800)HV30 ±2.0%
(700~800)HV50 ±2.0%
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