000 00257nam a2200109Ia 4500
008 160710s1990 xx 000 0 und d
100 _aGILL, P S
245 _aTEXT BOOK OF MACHINE DRAWING
260 _bS K KATARIA
_c1990
300 _a582
942 _2ddc
_cBB
999 _c73128
_d73128