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No. 562,672 8 Claims. ((Il. :ttl- 272) The present invention relates to high frequency vibrated cutting tools and more particularly to an ultrasonically vibrated cutting knife which cleanly and rapidly cuts tough materials such as hard rubber, wood, leather, or the like, materials that soften or melt when heated, such as thermoplastic resins and frozen products, and fibrous or sinewy materials suc
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