The ornamental design for a stethoscopediaphragmcover, as shown and described.
FIG. 1 is a perspective view of the stethoscope diaphragm cover in full
lines with a stethoscope shown in broken lines representing environmental
association matter being for illustrative purposes only and forming no
part of the claimed invention.
FIG. 2 is a front elevational view of the stethoscope diaphragm cover, the
rear elevational view being a mirror image of the front view.
FIG. 3 is a left side elevational view thereof, the right side elevational
view being a mirror image of the left side view.