The plasma inducing plate may be made of a metal. The four holes on the top surface of the plate are screw holes that do not penetrate the plate.
The ornamental design which is claimed is shown in solid lines in the drawings.
The plasma inducing plate may be made of a metal. The four holes on the top surface of the plate are screw holes that do not penetrate the plate.
The ornamental design which is claimed is shown in solid lines in the drawings.
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