Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B44
DECORATIVE ARTS
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B44D
PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
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2/00
Special techniques in artistic painting or drawing, e.g. oil painting, water painting, pastel painting, relief painting
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