ISO 640-2:1993
Metallic materials; calibration of standardized blocks to be used for Vickers hardness testing machines; part 2: less than HV 0,2

Заменен на ISO 6507-3(1997.11)
 

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Завершение срока действия 01.11.1997
Опубликован 01.07.1993

Metallic materials; calibration of standardized blocks to be used for Vickers hardness testing machines; part 2: less than HV 0,2