TY  - BOOK
AU  - INDIAN STANDARDS INSTITUTION
TI  - IS:4064 - 1967 (with amendment no.1 - 1983) : Specification for Normal duty Air-Break Swithces and Composite Units of Air-Break Switches and Fuses for Voltages not Exceeding 1000 Volts
PY  - 1967///
CY  - New Delhi
PB  - BIS
ER  -