1 "Ficheiro:Application_of_the_benzidine_colours_in_all_branches_of_printing_(IA_applicationofben1898farb).pdf".

Ficheiro:Application of the benzidine colours in all branches of printing (IA applicationofben1898farb).pdf

Application of the benzidine colours in all branches of printing ( ) Author Farbenfabriken Bayer Aktiengesellschaft Title Application of the benzidine...

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