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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9/00
Layered products comprising a; layer of a; particular substance not covered by groups B32B11/00 - B32B29/00
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B32B9/002
comprising natural stone or artificial stone
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