000 003270000a22001330004500
008 151207t1979 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.316
_bJ5
942 _cBK
100 _aJha, R.S.
245 _aSwitchgear and protection
260 _aDelhi
_bDhanpat Rai & Sons
_c1979
300 _axii, 274p. : ill.
999 _c139052
_d139052