| 摘要 |
1506814 Filter sheet FILTROX-WERK AG 29 Jan 1976 [14 Feb 1975] 03463/76 Heading D2B An asbestos-free filter sheet for a filter press comprises a fibrous support having γ- aluminium oxide incorporated therein as an adsorbent. The fibrous material may be sulphite and/or sulphate pulp. |
