Heumüller Holzwolle seit 1925

#Quadrilateral figures with one or more convex or concave sides, quadrilateral with one side curved #26.01.01 #Circles with dark surfaces or parts of surfaces #Circles containing one or more other geometrical figures (specify the content) #Other backgrounds divided into two, three or four #Circles containing one or more triangles or lines forming an angle (specify the content) #Circles containing one or more letters #Series of letters presenting different forms of writing #Quadrilaterals with dark surfaces or parts of surfaces #White, grey, silver #One circle #Quadrilaterals containing one or more letters #Series of letters in different dimensions #Circles containing other figurative elements #Numerals juxtaposed or joined to a letter or a figurative element #One quadrilateral #Numerals presenting a special form of writing #Green #Letters in light-coloured characters on a dark background #Quadrilaterals containing one or more numerals #Stains, spots, blots, strokes of the brush