BS EN ISO 6508-3-2005 Metallic materials — Rockwell hardness test — Part 3 Calibration of reference
标准简介
BS EN ISO 6508-3-2005 Metallic materials — Rockwell hardness test — Part 3 Calibration of reference blocks (scales A, B, C, —, E, F, G, H, K, N, T)
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