000 00282nam a2200121Ia 4500
008 220201s1979 xx 000 0 eng d
100 _aJHA R S
245 0 _aSWITCHGEAR AND PROTECTION
250 _a2
260 _aDELHI
_bDHANPAT RAI AND SONS
_c1979
300 _a274
942 _2ddc
999 _c90439
_d90439