Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B32
LAYERED PRODUCTS
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B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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3/00
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
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B32B3/02
characterised by features of form at particular places, e.g. in edge regions
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B32B3/04
characterised by; at least one; layer folded at the edge, e.g. over another layer; ; characterised by at least one layer enveloping or enclosing a material
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