3815199020
- Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
- Supported catalysts
- Other
- Other
- Catalyst, - in the form of solid spheres, - of a diameter of 4 mm or more but not more than 12 mm, and - consisting of a mixture of molybdenum oxide and other metal oxides, supported on silicon dioxide and/or aluminium oxide, for use in the manufacture of acrylic acid