Scientific Information Resource Centre, NCRA-TIFR

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1. Control switches (switching devices for control and auxiliary circuits including contractor relays) for voltages up to and including 1000 V AC and 1200 V DC, Part 1:general requirements and tests   Publication: Bureau of Indian Standards ; 1978 Date: 1978 Availability: Items available: Giant Metrewave Radio Telescope General Stacks [621.316.544.1 B. I. S.] (1),
2. Control switches (switching devices for control and auxiliary circuits including contactor relays) for voltages up to and including 1000 V and 1200 V DC, Part 2:push buttons and related control switches   Publication: Bureau of Indian Standards ; 1974 Date: 1974 Availability: Items available: Giant Metrewave Radio Telescope General Stacks [621.316.544.1 B. I. S.] (1),
3. Control switches (switching devices for control and auxiliary circuits including contactor relays) for voltages up to and including 1000 V AC and 1200 V DC, Part III:rotary control switches   Publication: Bureau of Indian Standards ; 1980 Date: 1980 Availability: Items available: Giant Metrewave Radio Telescope General Stacks [621.316.544.1 B. I. S.] (1),