TY  - BOOK
AU  - INDIAN STANDARDS INSTITUTION
TI  - IS:04064 - 1967 (with Amendment No.3 & 4); Specification for Normal Duty Air-Break Switches and Composite Units of Air-Break Switches and Fuse for Voltages not Exceeding 1000 Volts
PY  - 1967///
CY  - New Delhi
PB  - BIS
ER  -