MATER-BI
| Class | Record | Type | Presentation | Status | 
|---|---|---|---|---|
| 1 |  75530574   | Mixed | 1998/08/04 | Renewed | 
| Class | Record | Type | Presentation | Status | 
|---|---|---|---|---|
| 1 | 74095977   | Mixed | 1990/09/11 | Renewed | 
(Chemicals) Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.