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
B32B2262/00 Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
B32B2262/04 Cellulosic plastic fibres, e.g. rayon