000 00283nam a2200121Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a604.2 N80 VER
100 _aVERMA C L
245 _aENGINEERING DRAWING
260 _bKHANNA PUBLICATIONS
_c1980
300 _a326
999 _c18476
_d18476