NBN 117.25-1965
Routine testing of Rockwell hardness of steel plates and thin steel strips, scale 30T and B1 refer to European standard 26-63

Standard No.

NBN 117.25-1965

Release Date

1966

Published By

BE-NBN

Latest

NBN 117.25-1965

NBN 117.25-1965 history

• 1966 NBN 117.25-1965 Routine testing of Rockwell hardness of steel plates and thin steel strips, scale 30T and B1 refer to European standard 26-63