TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Specification for Alternating Current Disconnectors (Isolators) and Earthing Switches for Voltages Above 1000 V: Part 4 Type Tests and Routine Tests (IS : 9921 (Part 4) - 1985)
U1  - IS : 9921 (Part 4) - 1985 
PY  - 1985///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 9921 (Part 4) - 1985
ER  -