000 00303nam a2200109Ia 4500
008 220201s1964 xx 000 0 eng d
100 _aIndian Standard Institute
245 0 _aIS:335 specification for insulating oil for transformers & switch gears
260 _bISI
_c1964
300 _a29
942 _2ddc
999 _c74657
_d74657