000 00321nam a2200109Ia 4500
008 220201s1962 xx 000 0 eng d
100 _aIndian Standard Institution Manak Bhawan
245 0 _aIS:2032 Pi-1962 Geographical symbols used in eletro technology
260 _bISI Manak bhawan
_c1962
300 _a6
942 _2ddc
999 _c76037
_d76037