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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
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B25B
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
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15/00
Screwdrivers
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B25B15/001
characterised by material or shape of the tool bit
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B25B15/004
characterised by cross-section
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B25B15/008
Allen-type keys
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