ISO/R 640:1967
Calibration of standardized blocks to be used for Vickers hardness testing machines

Standard No.

ISO/R 640:1967

Release Date

1967

Published By

International Organization for Standardization (ISO)

Latest

ISO/R 640:1967

ISO/R 640:1967 history

• 1967 ISO/R 640:1967 Calibration of standardized blocks to be used for Vickers hardness testing machines