US PATENT SUBCLASS 72 / 416
.~ Similar tool-faces

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

412  DF  BY TOOL-COUPLE EMBODYING NONPLANAR TOOL-FACE {3}
416.~ Similar tool-faces

DEFINITION

Classification: 72/416

Similar tool faces:

(under subclass 412) Device wherein the tool-faces* have substantially identical shapes.