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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2333/00
Polymers of unsaturated acids or derivatives thereof
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B32B2333/12
Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
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