NBN 28-1947
Particulars relating to insulators with double bells for use in low and medium voltage power networks

Standard No.

NBN 28-1947

Release Date

1947

Published By

BE-NBN

Latest

NBN 28-1947

NBN 28-1947 history

• 1947 NBN 28-1947 Particulars relating to insulators with double bells for use in low and medium voltage power networks