000 00570nam a2200217Ia 4500
003 OSt
005 20220926044113.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aX9F::73:N5, G9
100 _aHempel E H
_9348539
245 0 _aEconomics of chemical industries
260 _c1939
650 _aTechnologcal Industry
_9240363
942 _hX9F::73:N5, G9
_cGB
_2CC
999 _c674003
_d674003