Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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B23P
METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
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2700/00
Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
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