000 00277nam a2200109Ia 4500
008 220201s1961 xx 000 0 eng d
100 _aI S 696 1963
245 0 _aCODE OF PRACTICE FOR GENERAL ENGINEERING DRAWING
260 _aDELHI
_bI S I
_c1961
300 _a109
942 _2ddc
999 _c89061
_d89061