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GBT 18449.1-2009 Metallic Materials — Vickers Hardness Test — Part 1: Test Method

GBT 18449.1-2009 Metallic Materials — Vickers Hardness Test — Part 1: Test Method

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GBT 18449.2-2012 Metallic Materials — Vickers Hardness Test — Part 2: Verification and Calibration of Hardness Testers

GBT 18449.2-2012 Metallic Materials — Vickers Hardness Test — Part 2: Verification and Calibration of Hardness Testers

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GBT 18449.3-2012 Metallic Materials — Vickers Hardness Test — Part 3: Calibration of Standard Hardness Blocks

GBT 18449.3-2012 Metallic Materials — Vickers Hardness Test — Part 3: Calibration of Standard Hardness Blocks

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GBT 18449.4-2009 Metallic Materials — Vickers Hardness Test — Part 4: Hardness Value Table

GBT 18449.4-2009 Metallic Materials — Vickers Hardness Test — Part 4: Hardness Value Table

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JJG 112-2013 Verification Procedure for Metal Rockwell Hardness Testers (Scales A, B, C, D, E, F, G, H, K, N, T)

JJG 112-2013 Verification Procedure for Metal Rockwell Hardness Testers (Scales A, B, C, D, E, F, G, H, K, N, T)

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JJG 151-2006 Verification Procedure for Metal Vickers Hardness Testers

JJG 151-2006 Verification Procedure for Metal Vickers Hardness Testers

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