Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
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B25D
PERCUSSIVE TOOLS
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2250/00
General details of portable percussive tools; Components used in portable percussive tools
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B25D2250/105
Exchangeable tool components
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B25D2250/111
Bits, i.e. inserts or attachments for hammer, chisel, pick
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