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Microwave oven with combined rotary heater and wave guide plate

Image Number 4 for United States Patent #4804812.

A microwave oven with heater has a wave guide plate between a rotary heater and a wall of a heating chamber on which a bearing for the rotary heater is provided, for controlling microwave to improve distribution thereof, and further, preventing adhesion of scattered food thereby to maintain insulation between the heating chamber on the rotary heater.

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