B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B3/00
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
B32B3/00
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
B32B3/26
characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids; ; characterised by an apertured layer
B32B3/26
characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids; ; characterised by an apertured layer