3503明胶、明胶衍生物；鱼胶；其他动物源胶（酪蛋白胶除外）

GELATIN [INCLUDING GELATIN IN RECTANGULAR (INCLUDING SQUARE) SHEETS, WHETHER OR NOT SURFACE-WORKED OR COLOURED] AND GELATIN DERIVATIVES; ISINGLASS; OTHER GLUES OF ANIMAL ORIGIN, EXCLUDING CASEIN GLUES OF HEADING 3501