The ornamental design for a mixing and kneadingmachine, as shown and described.
The file of this patent contains at least one drawing executed in color. Copies of this patent with color drawings will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front view of a mixing and kneading machine showing our new design.
FIG. 2 is a left perspective view thereof; and,
FIG. 3 is a right perspective view thereof.
The bottom view is omitted as it is not visible during normal use and forms no part of the claimed design. The colors orange and gray are claimed features of the design.