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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2228/00
Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
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B23B2228/44
Materials having grain size less than 1 micrometre, e.g. nanocrystalline
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