000 00322nam a2200109Ia 4500
008 220201s1967 xx 000 0 eng d
100 _aIndian Standard Institute
245 0 _aIS:4051 code of practice for installations & mainteanance of electrical equipment is mines
260 _bISI
_c1967
300 _a16
942 _2ddc
999 _c74672
_d74672