B PERFORMING OPERATIONS; TRANSPORTING
B32 LAYERED PRODUCTS
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15/00 Layered products comprising; a layer of; metal
B32B15/04 comprising metal as the main or only constituent of a layer,; which is; next to another layer of; the same or of; a; different material