00963nam a2200265Ia 45000010006000000050017000060070003000230080041000260400025000670410008000920820017001001000018001172450083001352500014002182600059002323000027002916530036003186530025003546530017003797000020003969420012004169520126004289520126005549990017006803627520240114001849.0ta070412s1952       a   g     b000 u 465 u  aCotton College,Assam  a465  a660bL 366 C  aLauer , B.E.. 0aChemical Engineering Techniques /cB.E.Lauer & R.F.Heckman.hTextual Documents  a1st ed. /  aNew York :bReinhold Publishing Corporation ,c©1952.  a495p. :bill ;c22cm .  aChemical Engineering-Techniques  aEngineering-Chemical  aG-Technology  aHeckman, R.F. .  2ddccBK  001040708Circulation (G)aSKBLbSKBLd2012-02-01f00000l0o660 L 366 Cp29834r2024-01-14 00:00:00t1w2012-02-01yBK  001040708Circulation (G)aSKBLbSKBLd2012-02-01f00000l0o660 L 366 Cp29050r2024-01-14 00:00:00t2w2012-02-01yBK  c36257d36257