000 00267nam a2200109Ia 4500
008 220201s1973 xx 000 0 eng d
100 _aJINDAL B C
245 0 _aPOLYTECHNIC APPLIED CHEMISTRY
260 _aDELHI
_bKATSON PUB HOUSE
_c1973
300 _a250
942 _2ddc
999 _c89514
_d89514