I ran the two pages through AbbyFineReader12 and now it's ok in K2pdfopt.
my only problem is, AbbyFinereader compresses the pdf too much (I think it's MRC compression) and then my Kobo has trouble opening the file, I've posted something about it earlier.
edit: I've been experimenting a bit more with the OCR functions of Abby and K2pdfopt, but I couldn't manage to get a proper reflow text of the book on my Kobo