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PCE
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DIFF Subgroup
B21K 5/06

Dressing, e.g. sharpening rock drills

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Making tools or tool parts, e.g. pliers > drilling-tools or other tools for making or working on holes > Dressing, e.g. sharpening rock drills

CPC:

Making tools or tool parts, e.g. pliers > drilling-tools or other for making or working on holes > Dressing, e.g. sharpening rock drills

No child classifications to compare. This is a leaf node in both IPC and CPC.