Wat Hardness Tester ginn et fir blann Nieten?

Allgemeng Hardness Tester enthalen: Rockwell Hardness (HR), Surface Rockwell Hardness (HR), Vickers Hardness (HV), Micro Vickers Hardness (HV), Knoop Hardness (HK), Brinell Hardness (HB), Leeb Hardness (HL) (Rebound) Methode), Ultraschallhärtetest (UCI), Shorehärkeet (SHORE).

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