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Nickel microhardness test block (Knoop) NIST® SRM® 1895

Nickel microhardness test block (Knoop)

Nickel microhardness test block (Knoop) NIST® SRM® 1895

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NIST1905

Nickel microhardness test block (Knoop),

NIST1906

Nickel microhardness test block (Knoop),

NIST1907

Nickel microhardness test block (Knoop),

NIST1895

Nickel microhardness test block (Knoop), NIST^® SRM^® 1895