DIFF Subgroup
B28B 21/14 vibrating, e.g. the surface of the material
Introduced: September 1968
Full Title
Methods or machines specially adapted for the production of tubular articles > by casting into moulds > using compacting means > vibrating, e.g. the surface of the material
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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