000 00306nam a2200109Ia 4500
008 220201s1962 xx 000 0 eng d
100 _aIndian Standard Institute
245 0 _aIS:1563-1962 Specification for pratractors for use of drawing
260 _bISI Manak bhawan
_c1962
300 _a11
942 _2ddc
999 _c77244
_d77244