The ornamental design for a partitionsystemframe, as shown and described.
FIG. 1 is an isometric view of a partition system frame, shown in use;
FIG. 2 is an isometric view thereof, shown in use;
FIG. 3 is an isometric view thereof;
FIG. 4 is a top plan view thereof, the bottom plan view being a mirror image thereof;
FIG. 5 is a left side elevation view thereof, the right side elevation view being mirror image thereof; and,
FIG. 6 is a front elevation view thereof, the rear elevation view being a mirror image thereof.
The even-length dashed broken lines shown in the drawings illustrate portions of the partition system frame that form no part of the claimed design, while the uneven-length dashed-dot lines define the bounds of the claimed design.
The appearance of any portion of the article between the break lines forms no part of the claimed design.