Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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B23B
TURNING; BORING
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39/00
General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
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B23B39/14
with special provision to enable the machine or the drilling or boring head to be moved into any desired position, e.g. with respect to immovable work
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