CSN 25 0271-1974
Calibration of standardized' blocks to be used for Rpckwell superficial N and T ?cale hardness testing machines

Standard No.

CSN 25 0271-1974

Release Date

1974

Published By

CZ-CSN

Status

Withdraw

Latest

CSN 25 0271-1974

CSN 25 0271-1974 history

• 1974 CSN 25 0271-1974 Calibration of standardized' blocks to be used for Rpckwell superficial N and T ?cale hardness testing machines