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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21/00
Portable power-driven screw or nut setting or loosening tools;; Attachments for drilling apparatus serving the same purpose
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B25B21/007
Attachments for drilling apparatus for screw or nut setting or loosening
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