000 00321nam a2200121Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a660.2 N80 OM
100 _aOM PRAKASH G
245 _aCHEMICAL ENGINEERING OBJECTIVE TYPE QUESTIONS AND ANSWERS
260 _bKHANNA PUBLISHERS
_c1980
300 _a151
999 _c19604
_d19604