The ornamental design for a detachablebabychangingplatform for crib, as shown and described.
FIG. 1 is a perspective view of a detachable baby changing platform for crib showing my new design;
FIG. 2 is a side view (opposite side view is mirror image) thereof;
FIG. 3 is a front elevational view in exploded condition;
FIG. 4 is a rear elevational view in exploded condition;
FIG. 5 is a top plan view in exploded condition; and,
FIG. 6 is a bottom plan view in exploded condition.
In FIG. 1, the broken lines showing of environmental structure for purposes of illustrating the detachable baby changing platform for crib in a condition of use. The broken lines and the structure they depict form no part of the claimed design.