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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2217/00
Details of, or accessories for, portable power-driven percussive tools
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B25D2217/003
Details relating to chucks with radially movable locking elements
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B25D2217/0038
Locking members of special shape
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B25D2217/0042
Ball-shaped locking members
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