| 摘要 |
An agglomerating unit having a rotatable, conical, downwardly, narrowing section on the interior surface of which moistened powder is deposited. Close to said interior surface a stationary scraper is mounted. When the conical section is rotated the powder is dislodged from said surface by the scraper. A very efficient removal of powder is obtained whereby the risk of biological or chemical deterioration of the powder is reduced.
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