Knoop Hardness Tester
Knoop Hardness Tester, Total:4 items.
The international standard classification for "Knoop Hardness Tester" includes: .
The Chinese standard classification for "Knoop Hardness Tester" includes: .
National Metrological Verification Regulations of the People's Republic of China
- JJG 1047-2009 Metallic Knoop Hardness Testers
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 18449.2-2001 Metallic knoop hardness test - Part 2 : Verification of hardness testers
International Organization for Standardization (ISO)
- ISO 4546:1993 Metallic materials; hardness test; verification of Knoop hardness testing machines
- ISO 4547:1993 Metallic materials; hardness test; calibration of standardized blocks to be used for Knoop hardness testing machines
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