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Patent drawing of a fencer's arm with a mechanical attachment.

Patent drawing of a fencer's arm with a mechanical attachment.
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A foil fencer's arm holding a foil, with two rods connected by a joint, with one rod overlapping the lower part of the fencers arm and the other rod overlapping the upper part of the fencer's arm, that has a sensor at the joint in the style of a patent drawing See more

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