US PATENT SUBCLASS 76 / 21
.~ Cutter heads

Current as of: June, 1999
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76 /   HD   METAL TOOLS AND IMPLEMENTS, MAKING

12  DF  FILE CUTTING {9}
21.~ Cutter heads

DEFINITION

Classification: 76/21

Cutter-heads and holders for the cutting-tool or punch of file or rasp making machines.