000			00299nam a2200109Ia 4500
100			_aIndian Standards Institution
942			_cBK
245			_aIndian standard sizes of drawing sheets
260			_aIndian Standards Institution, New Delhi _c1984
082			_aIS:10711-1983 744.43 I.S.I.
300			_a6
999			_c64387 _d64387