NBN C 63-439-4-1990
Profile steel systems and accessories for conductors, cable runs, and joints for positioning and standard instruments

Standard No.

NBN C 63-439-4-1990

Release Date

1990

Published By

BE-NBN

Latest

NBN C 63-439-4-1990

NBN C 63-439-4-1990 history

• 1990 NBN C 63-439-4-1990 Profile steel systems and accessories for conductors, cable runs, and joints for positioning and standard instruments