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PCE
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DIFF Subgroup
B24C 1/02

for sharpening or cleaning cutting tools, e.g. files

Introduced: September 1968

Full Title

Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods > for sharpening or cleaning cutting tools, e.g. files

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