B44D - CPC Classification

• B44D2/00 » Special techniques in artistic painting or drawing, e.g. oil painting, water painting, pastel painting, relief painting 44
• B44D3/00 » Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for ; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables 88
• B44D5/10 » Mechanical treatment 21
• B44D7/00 » Preserving painting, e.g. by varnishing 15