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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19/00
Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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B23P19/04
for assembling or disassembling parts
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B23P19/06
Screw or nut setting or loosening machines
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B23P19/062
Pierce nut setting machines
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B23P19/064
Deforming the support material only, e.g. the sheet or plate
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