CPC Subgroup
B32B 3/18 characterised by an internal layer formed of separate pieces of material
Full Title
Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form > characterised by a discontinuous layer, i.e. formed of separate pieces of material > characterised by an internal layer formed of separate pieces of material
2 direct subcodes
Child Classifications
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