DIFF Subgroup
B25D 17/08 Means for retaining and guiding the tool bit, e.g. chucks
Introduced: September 1968
Full Title
Details of, or accessories for, portable power-driven percussive tools > Means for retaining and guiding the tool bit, e.g. chucks
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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