DIFF Subgroup
B23P 17/04 characterised by the nature of the material involved or the kind of product independently of its shape
Introduced: September 1968
Full Title
Metal-working operations, not covered by a single other subclass or another group in this subclass > characterised by the nature of the material involved or the kind of product independently of its shape
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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