| 摘要 |
In a device for production of ground quantities of fine- grain friable material, namely meal from at least one portable silo container via a scale, which is provided with a measuring container with a pneumatic outlet device, and which is filled by forming a partial vacuum in the measuring container, one achieves a faster production of the friable material by arranging two scales, each with its own measuring container 1, 2, which can be connected alternately to the silo container 4a, 4b in such a way that when one measuring container is being filled the other is being emptied. <IMAGE>
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