000 00299nam a2200073 4500
080 _a
_b
245 _aIS: 591 - 1954; Specification for Low-Power, Low-voltage Mains Transformers for Radio Receivers, Amplifiers, Small Transmitters and Similar Other Purposes
700 _aIndian Standards Institution
260 _aNew Delhi
_bBIS
_c1954
300 _a13p
999 _c24389
_d24389