IS: 2516 (Part I & II/Sec I) - 1977 : Specification for alternating current circuit-breakers parts I and II requirements and tests section I voltages not exceeding 1000 V DC
IS: 2516 (Part I & II/Sec I) - 1977 : Specification for alternating current circuit-breakers parts I and II requirements and tests section I voltages not exceeding 1000 V DC
- New Delhi BIS 1978
- 55p
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