@base . a ; "internetarchive" ; "Internet Archive" . a . a ; "0009-2630" ; . a , , ; , , ; "Chemical processing." ; ; ; "0009-2630" ; ; "0009-2630" ; ; "0009-2630" ; "Chemical processing (Chicago, Ill.)" , "Chemical processing." ; ; [ a ; "1938-2010" ; "Preserved" ; "2023-09-15"^^ ; "1 to 73" ; ; [ "0009-2630" ; "Chemical Processing 1938-2010" ; "Putman Media, Inc." ] ; "1938/2010" ; "https://archive.org/details/pub_chemical-processing" ] ; [ a ; "1938-1961" ; "Preserved" ; "2023-09-15"^^ ; "1 to 24" ; ; [ "0009-2630" ; "Chemical Processing 1938-2010" ; "Putman Media, Inc." ] ; "1938/1961" ; "https://archive.org/details/pub_chemical-processing" ] ; "http://www.chemicalprocessing.com/cp/index.html" . . "Illinois" . a , ; "Chemical processing (Chicago, Ill.)" . a ; "0009-2630" ; . a ; . a ; ; "20210206230800.0"^^ ; ; .