TY  - BOOK
AU  - INDIAN STANDARDS INSTITUTION
TI  - IS:3427 - 1969 (with Amendment Nos. 1 & 2) : Specification for Metal-Enclosed Switchgear and Controlgear for Voltages above 1000V but not exceeding 11000 V
PY  - 1969///
CY  - New Delhi
PB  - BIS
ER  -