The numbers are:
FD7704 000668 GB-4217.35I
R600A 21 G
Hiya,For the E-Nr number you've posted the link below will take you to a supplier of the hinges..The Neff parts website shows they are still available.
The part number is #268698.Click here for Espares website.Click here for the Neff website.Check them out, compare the picture on Espares to your hinges..Hope this helpsThanks