000 00334nam a22001097a 4500
008 230620b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aChemical processing & engineering
260 _aBombay:
_bColour Publications Pvt. Ltd.,
_c1967
310 _aMonthly
942 _cCR
999 _c45545
_d45545