The ornamental design for a frame for packingpieces for a fireprooflead-through in walls and other construction elements, as shown and described,
FIG. 1 is a front perspective view of a frame for packing pieces for a
fireproof lead-through in walls and other construction elements, showing
my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof; and,
FIG. 4 is a side elevational view thereof, seen from the left of FIG. 1,
the opposite side thereof being identical thereto.