348.220.50/00 face framed cabinet hinge made in W. Germany
This number was on the back of the plastic side - 852.020.53.00
Bob from SWISCO responded:
November 5, 2020
These old Mepla hinges can be very tricky to replace. See our 32-340, 32-343, or 32-349. See if you think one of these match up in design and could work as a replacement.