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Brinel hardness number <не рек.>
tech. BHN (MichaelBurov); B.H. (MichaelBurov); HB (MichaelBurov); BHW (MichaelBurov); HBW - H from hardness, B from Brinell and W from the material of the indenter, tungsten carbide WC (MichaelBurov)