IS: 591 - 1954; Specification for Low-Power, Low-voltage Mains Transformers for Radio Receivers, Amplifiers, Small Transmitters and Similar Other Purposes

IS: 591 - 1954; Specification for Low-Power, Low-voltage Mains Transformers for Radio Receivers, Amplifiers, Small Transmitters and Similar Other Purposes - New Delhi BIS 1954 - 13p

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