6633: Manufac. of mineral materials, n.e.s. (excludingceramic)

66331: Articles of plaster or of plaster compositions 66332: Building blocks & bricks, tiles & similar articles 66333: Prefabricated structural components for building 66334: Other articles of cement, concrete, artificial stone 66335: Mica, worked, & articles of mica, on support or not 66336: Non-electrical articles of graphi. or other carbon 66337: Articles of peat 66338: Art. of miner. substances with magn., dolom., chrom. 66339: Articles of stone, other mineral substances, n.e.s. 6633: Manufac. of mineral materials, n.e.s. (excludingceramic)