NBN 522-1970
Metallurgical products. Non-alloy steel wire rod for drawing or drawing, surface inspection

Standard No.

NBN 522-1970

Release Date

1971

Published By

BE-NBN

Latest

NBN 522-1970

NBN 522-1970 history

• 1971 NBN 522-1970 Metallurgical products. Non-alloy steel wire rod for drawing or drawing, surface inspection