NBN A 11-407-1982
Metallurgical products. Reference calibration for Vickers hardness testing machines
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NBN A 11-407-1982
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NBN A 11-407-1982
Release Date
1982
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BE-NBN
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NBN A 11-407-1982
NBN A 11-407-1982 history
1982
NBN A 11-407-1982
Metallurgical products. Reference calibration for Vickers hardness testing machines
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