CPC Main Group
B23Q 39/00 Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation (B23Q33/00, B23P23/00 take precedence)
6 direct subcodes
Child Classifications
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- B23Q 39/02 the sub-assemblies being capable of being brought to act at a single operating station
- B23Q 39/04 the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps (associations of machines connected only by work-transferring means B23Q41/00)