000 00276nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aDr R. K. Dhawan
245 _aA Textbook Of Engineering Drawing
260 _bS. Chand& Company Pvt. Ltd.
260 _c2015
300 _a680 P
999 _c4217
_d4217